4. Gas separation
  5. With means securing or retaining separating media
  6. Unit or cohesive sheet-like media in flow line or frame

John F. Kuhn

Inventor

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Metal cover for respirator cartridge

Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Patent

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Strap for a full respirator mask

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

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Profile ID: LFUS-PAI-P-1506154

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