Robert Hill

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New Westminster, CA

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Patents Grantslast 30 patents

Information Patent Grant
Variable-incline ramp system
- Patent number 6,739,430
- Issue date May 25, 2004
- Robert Hill
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Variable-incline ramp system
- Publication number 20030146055
- Publication date Aug 7, 2003
- Robert Hill
- B66 - HOISTING LIFTING HAULING