W Mark Richter

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Antioch, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Motion-based power assist system for wheelchairs
- Patent number 9,398,990
- Issue date Jul 26, 2016
- W Mark Richter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Adjustable wheelchair handrim with movable friction band
- Patent number 8,770,611
- Issue date Jul 8, 2014
- W Mark Richter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
MOTION-BASED POWER ASSIST SYSTEM FOR WHEELCHAIRS
- Publication number 20130008732
- Publication date Jan 10, 2013
- W. MARK RICHTER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ADJUSTABLE WHEELCHAIR HANDRIM WITH MOVABLE FRICTION BAND
- Publication number 20120297923
- Publication date Nov 29, 2012
- W. MARK RICHTER
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE