Sreekanth

The Delphion Integrated View |
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US2565124 -
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Durboron Durborow | |||||
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1951-08
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128/206.19: SURGERY; RESPIRATORY METHOD OR DEVICE; Means for removing substance from respiratory gas; Particulate filtering; Face mask covering a breathing passage; Body of mask, other than viewing means, formed of porous filter material (e.g., surgical mask formed entirely of cloth, etc.) 002/206: APPAREL; HEAD COVERINGS; Face coverings D24/110.1: MEDICAL AND LABORATORY EQUIPMENT; EQUIPMENT FOR DIAGNOSIS, ANALYSIS, OR TREATMENT; Article for the introduction, removal or collection of fluids (e.g., infusion, extraction, irrigation, etc.) (3); Respirator, vaporizer, or inhalation tube (4); Mask | |||||
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30 patents reference this one | |||||
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