David Follette

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Princeton, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Foldable spider wheel for ascending and descending stairs
- Patent number 7,669,862
- Issue date Mar 2, 2010
- SterraClimb LLC
- Steven Kamara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Foldable spider wheel for ascending and descending stairs
- Publication number 20080265529
- Publication date Oct 30, 2008
- Steven Kamara
- A45 - HAND OR TRAVELLING ARTICLES