4. Surgery
  5. Respiratory method or device
  6. Face mask covering a breathing passage

Philip Rodney Kwok

Inventor

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Air delivery system

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate

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Breathing mask and mask cushion therefor

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

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CPAP mask and system

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

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Cushion

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Design Patent

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Cushion and mask therefor

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

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Profile ID: LFUS-PAI-P-573276

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