David H. Root

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Penfield, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Breath intake valve
- Patent number 9,216,263
- Issue date Dec 22, 2015
- David H. Root
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Breath intake valve for a tracheostomy tube
- Patent number 8,800,565
- Issue date Aug 12, 2014
- David H. Root
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
BREATH INTAKE VALVE
- Publication number 20140305440
- Publication date Oct 16, 2014
- David H. Root
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE