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

John E. Johnson, Jr.

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Electron microscope equipped with measuring facility

Radiant energy – Inspection of solids or liquids by charged particles – Electron microscope type
Patent

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Micro-fluid exchange coupling apparatus

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

Office supplies; artists and teachers materials – Book – album or cover
Patent

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Profile ID: LFUS-PAI-P-687131

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