4. Surgery
  5. Respiratory method or device
  6. Respiratory gas supply means enters mouth or tracheotomy...

Norman Crandall

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Method of manufacturing a neck flange

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate

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Neck flange for holding a tracheostomy tube in place and allowin

Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent

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Profile ID: LFUS-PAI-P-507350

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