John Hamnett

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Natick, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive gravity-balanced assistive device for sit-to-stand tasks
- Patent number 7,601,104
- Issue date Oct 13, 2009
- University of Delaware
- Sunil Agrawal
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Passive gravity-balanced assistive device for sit-to-stand tasks
- Publication number 20060260621
- Publication date Nov 23, 2006
- Sunil Agrawal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE