4. Music
  5. Instruments
  6. Drums

David McGill

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Breathing mask with incomplete headband

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

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Drumhead material and method

Music – Instruments – Drums
Reexamination Certificate

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Method and apparatus for non-invasive breathing assist

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

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Profile ID: LFUS-PAI-P-2450989

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