Sreekanth US2477706

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Title: US2477706 - Text Title unavailable - see image for title

Inventor: Taylor

Issue Date: 1949-08

Current U.S. Class: 128/205.17: SURGERY; RESPIRATORY METHOD OR DEVICE; Means for supplying respiratory gas under positive pressure; Respiratory gas supplied from expandable bag, bellows, or squeeze bulb; Rebreathing bag or bellows
128/207.13: SURGERY; RESPIRATORY METHOD OR DEVICE; Face mask covering a breathing passage; Covering nose only


Forward References: 4 patents reference this one
Buy
PDF
Patent  Pub.Date  Inventor Assignee Title
Buy PDF- 8pp US6192886 2001-02-27 Rudolph; Kevin A. Hans Rudolph, Inc. Nasal mask
Buy PDF- 7pp US4848334 1989-07-18 Bellm; Howard G. Lifeline Limited Mask
Buy PDF- 6pp US4827923 1989-05-09 Bishop; Dolores   Protective facial mask
Buy PDF- 6pp US4671271 1987-06-09 Bishop; Dolores   Protective facial mask


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