4. Surgery
  5. Respiratory method or device
  6. Including body or head supported means covering user's scalp

Harold H. Levine

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Compatible smoke and oxygen masks for use on aircraft

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent

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Deployment system for emergency oxygen mask

Surgery – Respiratory method or device – Face mask covering a breathing passage
Patent

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Latching assembly

Closure fasteners – Bolts – Swinging
Patent

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Polyimides

Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent

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Smoke mask

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent

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Profile ID: LFUS-PAI-P-1487477

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