John David Gowen

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Tallassee, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Manual wheelchair power assist
- Patent number 8,388,010
- Issue date Mar 5, 2013
- Franklin Brent Butts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
MANUAL WHEELCHAIR POWER ASSIST
- Publication number 20110209931
- Publication date Sep 1, 2011
- Franklin Brent Butts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE