Ronald Jeffrey Callahan

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Poughkeepsie, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotating platform for wheelchair bound people
- Patent number 9,114,049
- Issue date Aug 25, 2015
- Ronald J Callahan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Rotating platform from wheelchair bound people
- Publication number 20110127402
- Publication date Jun 2, 2011
- Ronald J. Callahan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Rotating work platform for whell chair bound people
- Publication number 20100187395
- Publication date Jul 29, 2010
- Ronald Jeffrey Callahan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE