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

Heinz Wandel

Inventor

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Breathing mask

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

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Filter material

Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
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Method and apparatus for producing a filter material

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
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Profile ID: LFUS-PAI-P-1067368

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