William Johnson

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Pefferlaw, CA

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Patents Grantslast 30 patents

Information Patent Grant
Stable wheeled walker device
- Patent number 8,061,376
- Issue date Nov 22, 2011
- Holland Bloorview Kids Rehabilitation Hospital
- Stephen Ryan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
STABLE WHEELED WALKER DEVICE
- Publication number 20080302402
- Publication date Dec 11, 2008
- Stephen Ryan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE