David Hedequist

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Medina, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable personal descending escape system
- Patent number 9,072,920
- Issue date Jul 7, 2015
- Richard Allfn Peters
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE PERSONAL DESCENDING ESCAPE SYSTEM
- Publication number 20110036664
- Publication date Feb 17, 2011
- Richard Allfn Peters
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT