Henry Detweiler

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Sarasota, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Watercraft paddle propulsion system
- Patent number 7,803,027
- Issue date Sep 28, 2010
- Henry Detweiler
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Watercraft Paddle Propulsion System
- Publication number 20090215339
- Publication date Aug 27, 2009
- Henry Detweiler
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT