4. Surgery
  5. Respiratory method or device
  6. Gas stream directed away from face mask to penetrate...

Manfred Gdulla

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Breathing mask with fixed mask body

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

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Breathing mask with speaking device

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

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Gas mask for normal pressure operation and overpressure...

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

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Head guard assembly comprising a protective helmet and a protect

Apparel – Guard or protector – For wearer's head
Patent

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Respiratory device coupling construction

Surgery – Truss – Pad
Patent

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Profile ID: LFUS-PAI-P-350967

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