John Francis Otis

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Center Hill, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Rolling cane, walker-trainer, shopper with automatic braking
- Patent number 7,252,105
- Issue date Aug 7, 2007
- John Francis Otis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Rolling cane, walker-trainer, shopper with automatic braking
- Publication number 20040216776
- Publication date Nov 4, 2004
- John Francis Otis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE