Forehead support for facial mask (US6691708)


	Parent Case:			CROSS REFERENCE TO RELATED APPLICATIONS This application is a divisional of U.S. application Ser. No. 09/608,440, filed Jun. 30, 2000, U.S. Pat. No. 6,463,931, which is a continuation of U.S. application Ser. No. 09/008,708, filed Jan. 16, 1998, now U.S. Pat. No. 6,119,693, the specifications and drawings of which are incorporated herein by reference.
	Family:			Show 11 known family members
	First Claim: Show all 39 claims			I claim: 1. A respiratory mask comprising: a shell defining a cavity having an opening adapted to fit a respiratory opening of an individual; said shell including at least one slotted connector adapted to receive a strap to secure said mask to the individual; a gas delivery tube connected to said shell, said gas delivery tube being adapted to supply breathable gas to said individual; a forehead support assembly secured to an extension of said shell; said forehead support assembly including at least one pair of arms; said at least one pair of arms being configured to pivot relative to each other, and said at least one pair of arms being selectively lockable at at least two angular positions relative to each other.
	Background / Summary:			Show background / summary
	Drawing Descriptions:			Show drawing descriptions
	Description:			Show description
	Forward References:			Show 43 U.S. patent(s) that reference this one

U.S. References:

Go to Result Set: All U.S. references | Forward references (43) | Backward references (164) | Citation Link

Buy PDF	Patent	Pub.Date	Inventor	Assignee	Title
	US781516	1905-01	Guthrie		RESPIRATOR AND INHALER.
	US812706	1906-02	Warbasse		RESPIRATOR.
	US1081745	1913-12	Johnston et al.		NASAL INHALER.
	US1192186	1916-07	Greene		RESPIRATOR.
	US1653572*	1927-12	Jackson
	US1926027*	1933-09	Biggs
	US2123353*	1938-07	Catt
	US2245969	1941-06	Francisco et al.		Nasal inhaler
	US2248477*	1941-07	Lombard
	US2254854*	1941-09	O'Connell
	US2317608*	1943-04	Heidbrink
	US2371965*	1945-03	Lehmberg
	US2376671	1945-05	Fink		Servomotor
	US2415846*	1947-02	Randall
	US2438058*	1948-03	Kincheloe
	US2578621*	1951-12	Yant
	US2590006	1952-03	Gordon		Nasal tube holder
	US2931356*	1960-04	Schwarz
	USD188084*	1960-05	Garelick
	US2939458*	1960-06	Lundquist
	US3013556*	1961-12	Galleher
	US3182659*	1965-05	Blount et al.
	US3189027*	1965-06	Bartlett
	US3193624*	1965-07	Webb et al.
	US3238943*	1966-03	Holley
	US3315674*	1967-04	Bloom et al.
	US3330273	1967-07	Bennett		Oro-nasal face mask with improved sealing cuff
	US3362420	1968-01	Blackburn et al.		ANTI-SUFFOCATION VALVE
	US3363833	1968-01	Laerdal		Elastic bag for artificial respiration apparatus
	US3556122	1971-01	Laerdal		VALVE FOR ARTIFICIAL RESPIRATION APPARATUS
	US3580051	1971-05	Blevins	THE United States of America as represented by the Secretary of the Army	METHOD FOR LEAK TESTING MASKS
	US3700000	1972-10	Hesse, Deceased et al.		VALVE ARRANGEMENT, ESPECIALLY FOR USE IN ANAESTHETIC GAS SUPPLY SYSTEMS
	US3720235	1973-03	Schrock	Samuel Moore & Company	COMPOSITE TUBING
	US3750333	1973-08	Vance	Rusco Industries, Inc.	INSULATED PRIME DOOR
	US3752157	1973-08	Malmin		DISPOSABLE HEADBAND AND FILTER
	US3779164	1973-12	Rollins	Carco, Inc.	STAMPING DEVICE
	US3796216	1974-03	Schwarz		RESUSCITATOR
	USD231803*	1974-06	Huddy
	US3830230	1974-08	Chester	Edward Weck & Company	SURGICAL HEADLAMP
	US4077404	1978-03	Elam	H. B. W. Medical Instruments Manufacturing Company, Inc.	Breathing equipment such as resuscitators
	USD250131	1978-10	Lewis et al.	Chemetron Corporation	Breathing mask
	US4167185	1979-09	Lewis	A-T-O Inc.	Face mask seal
	US4226234	1980-10	Gunderson	RescueTech Corporation	Respiratory valve face mask structure
	US4245632	1981-01	Houston	S.C.A.B.A., Inc.	Underwater breathing apparatus
	USD262322	1981-12	Mizerak		Nasal cannula mouth mask
	US4304229	1981-12	Curtin		Underwater-breathing device
	US4328797	1982-05	Rollins et al.		Naso-gastric oxygen mask
	US4347205	1982-08	Stewart	Warne Surgical Products Limited	Process for preparing an inflatable pad for a face mask
	US4354488	1982-10	Bartos	Dow Corning Corporation	Nose mask gas delivery device
	US4402316	1983-09	Gadberry	U.S.D. Corp.	Breathing gas mask
	US4412537	1983-11	Tiger		Fresh air breathing mask with exterior heat exchanger
	US4467799	1984-08	Steinberg		Transparent odor-free face mask
	US4522639	1985-06	Ansite et al.	Figgie International Inc.	Unified filter and connector housing assembly incorporating a diversion valve
	US4558710	1985-12	Eichler	Erich Jaeger GmbH & Co.	Testing of the airways and pulmonary tract of a patient, particularly for sensitivity to aerosols
	US4616647	1986-10	McCreadie	Parmelee Industries, Inc.	Molded fiber disposable face mask having enhanced nose and chin filter-seals
	US4622964	1986-11	Flynn	O-Two Systems International Inc.	Valve for breathing device
	US4655213	1987-04	Rapoport et al.	New York University	Method and apparatus for the treatment of obstructive sleep apnea
	US4665570	1987-05	Davis		Face mask seal
	US4671271	1987-06	Bishop et al.		Protective facial mask
	US4677975	1987-07	Edgar et al.	The University of Auckland	Method of dispensing and/or a dispenser
	US4677977	1987-07	Wilcox	Gentex Corporation	Mask for pressure breathing
	USD293613	1988-01	Wingler	Anesthesia Respiratory Technology, Inc.	Anesthesia and respiratory face mask
	US4739755	1988-04	White et al.	American Cyanamid Company	Respirator
	US4770169	1988-09	Schmoegner et al.	MDT Diagnostic Company	Anaesthetic mask
	US4774941	1988-10	Cook	Intertech Resources Inc.	Resuscitator bag
	US4782832	1988-11	Trimble et al.	Puritan-Bennett Corporation	Nasal puff with adjustable sealing means
	US4799477	1989-01	Lewis		Rebreathing mask
	US4809692	1989-03	Nowacki et al.	Trudell Medical	Pediatric asthmatic medication inhaler
	US4819629	1989-04	Jonson	Siemens Aktiengesellschaft	Method and apparatus for delivering aerosol to the airways and/or lungs of a patient
	US4821713	1989-04	Bauman		Resuscitator
	US4841953	1989-06	Dodrill		Auxiliary supply system for a portable self-contained breathing apparatus
	US4848334	1989-07	Bellm	Lifeline Limited	Mask
	US4848366	1989-07	Aita et al.	Cybernetic Systems, Inc.	Exhaust mask system and device
	US4907584	1990-03	McGinnis		Respiratory mask
	US4910806	1990-03	Baker et al.	Innovative Scuba Concepts, Inc.	Adjustable strap for use with a diver's face mask
	US4919128	1990-04	Kopala et al.	University Technologies International Inc.	Nasal adaptor device and seal
	US4938210	1990-07	Shene	Trudell Medical	Inhalation chamber in ventilator circuit
	US4938212	1990-07	Snook et al.	Puritan-Bennett Corporation	Inspiration oxygen saver
	US4944310	1990-07	Sullivan	Somed Pty. Ltd.	Device for treating snoring sickness
	USD310431	1990-09	Bellm	Lifeline Limited	Gas delivery mask
	US4971051	1990-11	Toffolon		Pneumatic cushion and seal
	US4986269	1991-01	Hakkinen	Etela-Hameen Keuhkovammayhdistys R.Y.	Respiration therapy apparatus
	US4989596	1991-02	Macris et al.		Face chamber
	US4989599	1991-02	Carter	Puritan-Bennett Corporation	Dual lumen cannula
	US5005568	1991-04	Loescher et al.	Hudson Respiratory Care Inc.	Isolation valve
	US5005571	1991-04	Dietz		Mouth nose mask for use with an inhalation therapy and/or breathing monitoring apparatus
	US5038776	1991-08	Harrison et al.	Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government	Universal head harness
	US5042473	1991-08	Lewis	Pro-Tech Respirators, Inc.	Demand valve for a respirator
	US5042478	1991-08	Kopala et al.	University Technologies International, Inc.	Method of ventilation using nares seal
	US5046200	1991-09	Feder		Reversible, quick-adjustable diver's face mask strap
	US5063922	1991-11	Hakkinen	Etala-Hameen Keuhkovammayhdistys R.Y.	Ultrasonic atomizer
	US5069205	1991-12	Urso	Figgie International, Inc.	Quick-donning head harness assembly
	USD323908	1992-02	Hollister et al.	Smith Industries Medical Systems, Inc.	Face mask
	US5109839	1992-05	Blasdell et al.		Inhalation apparatus
	US5109840	1992-05	Daleiden	Specialty Packaging Licensing Company	Resuscitator having directional control valve with internal "PEEP" adjustment valve
	US5121745	1992-06	Israel		Self-inflatable rescue mask
	US5133347	1992-07	Huennebeck	Auergesellschaft GmbH	Mouthpiece valve for breathing equipment
	US5140980	1992-08	Haughey et al.	ILC Dover, Inc.	Hood mask and air filter system and method of manufacture thereof
	US5140982	1992-08	Bauman		Resuscitator
	US5159938	1992-11	Laughlin		Eye shield
	US5178138	1993-01	Walstrom et al.		Drug delivery device
	USD334633	1993-04	Rudolph	Hans Rudolph, Inc.	Mask
	US5220699	1993-06	Farris		Surgical face mask support apparatus and method
	US5231983	1993-08	Matson et al.	Minnesota Mining and Manufacturing	Method of and apparatus for the aerosol administration of medication
	US5233978	1993-08	Callaway	Medway	Nasal oxygen mask
	US5243971	1993-09	Sullivan et al.	The University of Sydney	Nasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours
	US5265595	1993-11	Rudolph	Hans Rudolph, Inc.	Mask for breath analysis
	US5279289	1994-01	Kirk		Resuscitator regulator with carbon dioxide detector
	US5280784	1994-01	Kohler	Paul Ritzau Pari-Werk GmbH	Device in particular and inhalating device for treating the lung and the respiratory tracts
	US5311862	1994-05	Blasdell et al.		Inhalation apparatus
	US5322057	1994-06	Raabe et al.	Vortran Medical Technology, Inc.	Intermittent signal actuated nebulizer synchronized to operate in the exhalation phase, and its method of use
	US5343878	1994-09	Scarberry et al.	Respironics Inc.	Pressure application method
	US5357951	1994-10	Ratner	Mercury Enterprises, Inc	Cardiac pulmonary resuscitator apparatus valve with integral air sampling port
	US5372130	1994-12	Stern et al.	DJS&T Limited Partnership	Face mask assembly and method having a fan and replaceable filter
	US5388571	1995-02	Roberts et al.		Positive-pressure ventilator system with controlled access for nebulizer component servicing
	US5404871	1995-04	Goodman et al.	Aradigm	Delivery of aerosol medications for inspiration
	US5419318	1995-05	Tayebi	Better Breathing, Inc.	Breathing mask
	US5429126	1995-07	Bracken		Respiratory mask headset attachment
	US5429683	1995-07	Le Mitouard		Face mask for breathing
	US5431158	1995-07	Tirotta		Endoscopy breathing mask
	US5438981	1995-08	Starr et al.	Respironics, Inc.	Automatic safety valve and diffuser for nasal and/or oral gas delivery mask
	US5441046	1995-08	Starr et al.	Respironics, Inc.	Quick release mechanism for nasal and/or oral gas delivery mask
	USD362061	1995-09	McGinnis et al.	Respironics, Inc.	Respiratory mask body
	US5477852	1995-12	Landis et al.	Airways Ltd., Inc.	Nasal positive airway pressure apparatus and method
	US5479920	1996-01	Piper et al.	Vortran Medical Technology, Inc.	Breath actuated medicinal aerosol delivery apparatus
	US5481763	1996-01	Brostrom et al.	Minnesota Mining and Manufacturing Company	Molded head harness
	US5488948	1996-02	Dubruille et al.	Intertechnique	Fast donning respiratory protection equipment
	US5492116	1996-02	Scarberry et al.	Respironics Inc.	Respiratory mask with floating seal responsive to pressurized gas
	US5501214	1996-03	Sabo	Respironics, Inc.	Non-rebreathing valve and valve element therefor
	US5509404	1996-04	Lloyd et al.	Aradigm Corporation	Intrapulmonary drug delivery within therapeutically relevant inspiratory flow/volume values
	US5517986	1996-05	Starr et al.	Respironics, Inc.	Two-point/four-point adjustable headgear for gas delivery mask
	US5538000	1996-07	Rudolph	Hans Rudolph, Inc.	Airflow delivery system
	US5540223	1996-07	Starr et al.	Respironics, Inc.	Respiratory mask facial seal
	US5542128	1996-08	Lomas		Headwear for supporting a breathing apparatus
	US5546936	1996-08	Virag et al.	Mallinckrodt Medical, Inc.	Tracheal tube with reinforced flexible segment
	US5558090	1996-09	James		Multi-purpose head-mounted adjustable medical tube holder
	USRE35339	1996-10	Rapoport	New York University	Method and apparatus for the treatment of obstructive sleep apnea
	US5560354	1996-10	Berthon-Jones et al.	ResCare Limited	Facial masks for assisted respiration or CPAP
	US5570682	1996-11	Johnson	Ethex International, Inc.	Passive inspiratory nebulizer system
	US5570689	1996-11	Starr et al.	Respironics, Inc.	Respiratory mask having a vertically adjustable spacer element that limits seal deformation on a wearer's face
	USD377089	1996-12	Starr et al.	Respironics, Inc.	Respiratory mask facial seal
	US5592938	1997-01	Scarberry et al.	Respironics Inc.	Mask apparatus
	US5608647	1997-03	Rubsamen et al.	Aradigm Corporation	Method for releasing controlled amount of aerosol medication
	US5642730	1997-07	Baran	Trudell Medical Limited	Catheter system for delivery of aerosolized medicine for use with pressurized propellant canister
	US5647355	1997-07	Starr et al.	Respironics, Inc.	Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting
	US5647357	1997-07	Barnett et al.	Respironics, Inc.	Respiratory mask facial seal
	US5649532	1997-07	Griffiths		Breathing equipment for aircrew
	US5649533	1997-07	Oren		Therapeutic respiration device
	US5655520	1997-08	Howe et al.		Flexible valve for administering constant flow rates of medicine from a nebulizer
	US5655527	1997-08	Scarberry et al.	Respironics Inc.	Respiratory mask with floating seal responsive to pressurized gas
	US5657493	1997-08	Ferrero et al.	Dacor Corporation	Diving mask with quick-release strap attachment
	US5657752	1997-08	Landis et al.	Airways Associates	Nasal positive airway pressure mask and method
	US5662101	1997-09	Ogden et al.	Respironics, Inc.	Respiratory facial mask
	US5666946	1997-09	Langenback	Respirogenics Corporation	Apparatus for delivering drugs to the lungs
	US5685296	1997-11	Zdrojkowski et al.	Respironics Inc.	Flow regulating valve and method
	US5687715	1997-11	Landis et al.		Nasal positive airway pressure apparatus and method
	US5715814	1998-02	Ebers	Gottlieb Weinmann Gerate fur Medizin und Arbeitsschutz GmbH & Co.	Respiration mask
	US5746201	1998-05	Kidd	Nellcor Puritan-Bennett	CPAP nose mask
	US5813423	1998-09	Kirchgeorg		Inhalator and/or resuscitator mask adaptable for use with an adult and child
	US5832918	1998-11	Pantino		Method of making a face mask from a facial impression and of gas delivery
	US6044844	2000-04	Kwok et al.	ResMed Limited	Mask and harness assembly
	US6119693	2000-09	Kwok et al.	Resmed Limited	Forehead support for facial mask
	US6463931	2002-10	Kwok et al.	ResMed Limited	Forehead support for facial mask
	US6520182	2003-02	Gunaratnam	ResMed Limited	Forehead support for a facial mask
* some details unavailable

Foreign References:

Publication	Date	IPC Code	Assignee	Title
AU9177110	1991-11
AU9464816	1994-12
AU9516178	1995-07
AU3291495A	1996-02
AU9459430	1996-02
AU4101897A	1998-04
AU8931298A	1999-01
CA1039144	1928-09	A62B 7/00	C. R. BARD, INC.	SHIELDED FACE MASK
DE0459104	1928-04
DE0701690	1941-01	A62B 18/00	OBERBEFEHLSHABER DER LUFTWAFFE	Sauerstoffatemgeraet, insbesondere Hoehenatemgeraet
DE0159396	1981-06
DE3015279	1981-10	A61B 5/08	Roth, Manfred, Prof. Dipl.-Ing., 6301 Pohlheim, DE	Verfahren und Vorrichtung zur Erzeugung eines Aerosols fuer die Inhalationsbronchographie
DE3345067	1984-06	A61B 5/08	Rion K.K., Kokubunji, Tokyo, JP	Verfahren zum Messen des Nasalgrades in der Stimme
DE3537507	1987-04	A61M 11/06	Salvia Regel- und Medizintechnik GmbH, 6231 Schwalbach, DE	Inhalation ventilator for the aerosol therapy of patients
DE3539073	1987-05	A61F 5/56	Pollak, Peter, 7016 Gerlingen, DE	Atemregler zur Wiederherstellung einer normalen Versorgung der menschlichen Organe mit Sauerstoff
DE4004157	1991-04	A62B 18/00	Draegerwerk AG, 2400 Luebeck, DE	Totraumarme Halbmaske mit Verschluss der Nasenoeffnungen
DE4343205	1995-06	A61M 16/20	Festo KG, 73734 Esslingen, DE	Als Sicherheitsventilanordnung bei medizinischen Beatmungsgeraeten einsetzbare Ventilanordnung
DE19735359	1998-01	A61M 16/06	Kleehaupt, Konrad, 93055 Regensburg, DE	Beatmungsmaske
DE29723101	1998-07	A61M 16/06	Gottlieb Weinmann Geraete fuer Medizin und Arbeitsschutz GmbH + Co. KG, 22525 Hamburg, DE	Vorrichtung zur Ankopplung an Beatmungsmasken
DE29810846	1998-08	A61M 16/06	MPV - Truma Gesellschaft fuer Medizintechnische Produkte mbH, 85640 Putzbrunn, DE	Nasale Beatmungsmaske
EP0054154	1981-10	A62B 17/04	AUERGESELLSCHAFT GMBH	Breath protection hood, especially for emergency evacuations
EP0252052	1988-01	A62B 18/02	Horda Gummifabrik AB	Inner mask for protective face mask
EP0264772	1988-04	A62B 18/02	AMERICAN CYANAMID CO	Respirator
EP0386605	1990-02	A62B 18/00	AUERGESELLSCHAFT GMBH	Breathing protection mask
EP0427474	1991-05	A61M 16/06	SMITHS INDUSTRIES MEDICAL SYSTEMS INC.	Face masks and face masks components
EP0462701	1991-12	A61M 16/00	THE UNIVERSITY OF SYDNEY	Nasal mask
EP0602424	1993-11	A61M 16/06	Continental Aktiengesellschaft	Cushion member for breathing mask
EP0608684	1994-08	A62B 18/00	MINNESOTA MINING AND MANUFACTURING COMPANY	Molded head harness
EP0697225	1995-07	A61M 16/08	GOTTLIEB WEINMANN GER�TE F�R MEDIZIN UND ARBEITSSCHUTZ GMBH & CO.	Gas feed conduit
EP0178925	1996-04	A61M 16/00	UNIV AUCKLAND	Improvements in or relating to a dispenser.
EP0747078	1996-12	A61M 16/06	RESPIRONICS Inc.	Nasal mask
EP0821978	1998-02	A61M 16/00	Hart-Ellereth Medical Inc.	Light weight positive air pressure breathing apparatus
FR2574657	1986-06	A61F 5/56	GOURDON JEAN LOUP	DISPOSITIF ANTI-RONFLEMENT
FR2658725	1991-08	A61M 16/06	MEIGNAN CHRISTIAN	PROCEDE DE FABRICATION D'UNE ORTHESE NASALE ET MASQUE NASAL COMPORTANT UNE TELLE ORTHESE.
FR2749176	1997-12	A61M 16/06	MIDI OXYGENE	Silicone respirator mask manufacturing procedure
GB1395391	1975-05	A61M 16/06	VICKERS LTD	MEDICAL FACE MASKS
GB1467828	1977-03	A61M 16/06	LAERDAL A	RESPIRATOR MASK
GB2145335	1985-03	A61M 16/00	ARTHUR * MARTIN	IMPROVEMENTS IN OR RELATING TO BREATHING AND RESUSCITATION APPARATUS
GB2147506	1985-05	A61M 16/00	UNIV NEW YORK	APPARATUS FOR THE TREATMENT OF OBSTRUCTIVE SLEEP APNEA
GB2164569	1986-03	A61M 11/00	ETELA HAMEEN KEUHKOVAMMAYHDIST	Inhalation dispenser intended for accurate dispensing of predisposing drugs administered to persons with respiratory disease at the examination phase and/or of drugs to be administered in spray form in the course of therapy
GB2267648	1993-12	A62B 18/00	THE * SECRETARY OF STATE FOR DEFENCE	A FACE MASK INCORPORATING BREATHING EQUIPMENT FOR AIRCREW
JP09216240	1997-08
WO8001044	1980-05	A61M 16/00	FISCHER C	GAS SCAVENGING EXHAUST SYSTEM
WO8203548	1982-10	A61F 5/56	SOMED PTY LTD	DEVICE FOR TREATING SNORING SICKNESS
WO8606969	1986-12	A61M 16/00	ETELAE HAEMEEN KEUHKOVAMMAYHDI	RESPIRATION THERAPY APPARATUS
WO8701950	1987-04	A62B 18/02	FEENEY, John, Robert	RESPIRATOR
WO9103277	1991-03	A61M 16/10	INST MATERIALOVEDENIA IM I N F	RESPIRATOR FOR PROTECTION AGAINST THE INFLUENCE OF COLD AIR
WO9215353	1992-09	A61M 11/00	MIRIS MEDICAL CORP	DELIVERY OF AEROSOL MEDICATIONS FOR INSPIRATION
WO9220395	1992-11	A61M 16/06	LE MITOUARD ANNE	FACIAL BREATHING MASK
WO9301854	1993-02	A61J 17/00	DAHLSTRAND MONIKA	ANAESTHETIC MASK FOR INFANTS
WO9402190	1994-02	A61M 16/00	GEISEN BERNHARD	PROCESS AND SYSTEM OF CONTROLLABLE BREATHING AIR SUPPLY OR EVACUATION
WO9416759	1994-08	A61J 7/04	MIRIS MEDICAL CORP	AN AUTOMATIC AEROSOL MEDICATION DELIVERY SYSTEM AND METHODS
WO9420051	1994-09	A61F 5/56	KELLER PETER WILLIAM	ANTI-SNORE TRAINING DEVICE AND METHOD OF USING THE SAME
WO9502428	1995-01	A61M 16/00	JACOBELLI CHANTAL	BUCCAL RESPIRATION MASK
WO9617643	1996-06	A61M 16/06	SULLIVAN COLIN	GAS DELIVERY MASK
WO9625983	1996-08	A62B 18/08	COMASEC INTERNATIONAL S.A.	FACE MASK
WO9639206	1996-12	A61M 0/00	ASN RESPIRATION DEVICE LTD.	RESPIRATION DEVICE
WO9707847	1997-03	A61M 16/06	TIRER, Samuel	ANESTHESIA MASK
WO9741911	1997-11	A61B 19/00	RUBEN PHILIP H	A FACIAL SURGICAL MASK WITH EASIER BREATHING DEVICE
WO9804310	1998-02	A61M 16/06	KWOK PHILIP RODNEY	A NASAL MASK AND MASK CUSHION THEREFOR
WO9811930	1998-03	A61M 16/00	RESPIRONICS, INC.	PRESSURE SENSITIVE FLOW CONTROL VALVE
WO9818514	1998-05	A61M 16/06	SLEEPNET CORP	NASAL AIR MASK
WO9824499	1998-06	A61M 16/06	BRUDERER JAKOB WALTER	A MASK AND HARNESS ASSEMBLY
WO9826829	1998-06	A61F 5/56	BERTHON-JONES, MICHAEL	A DEVICE FOR PREVENTING OR REDUCING THE PASSAGE OF AIR THROUGH THE MOUTH
WO9826830	1998-06	A61M 16/06	LITHGOW, PERRY, DAVID	NON RETURN SLIDER VALVE USED IN RESPIRATION SYSTEMS
WO9848878	1998-11	A61M 16/00	HAUSHALTER GEORG	BREATHING MASK
WO0057942	2000-10	A61B 9/00	GUNARATNAM MICHAEL KASSIPILLAI	FOREHEAD SUPPORT FOR A FACIAL MASK