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

Howard G. Bellm

Inventor

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Gas delivery mask

Equipment for safety – protection – and rescue – Fire extinguisher or casing therefor – Portable or hand held
Patent

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Mask

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

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Nebulizer having combined structure for removing particles over

Surgery – Liquid medicament atomizer or sprayer – Spray impinged against baffle in or adjacent flow conduit
Patent

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Profile ID: LFUS-PAI-P-313385

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