David L. Richards

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Elwood, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable length breathing circuit
- Patent number 7,178,521
- Issue date Feb 20, 2007
- King Systems Corporation
- Kevin D. Burrow
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Adjustable length breathing circuit
- Publication number 20050150505
- Publication date Jul 14, 2005
- Kevin D. Burrow
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE