Gerald J. Vandeligt

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Spirit River, CA

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Patents Grantslast 30 patents

Information Patent Grant
Modular self-propelled drilling apparatus
- Patent number 7,387,172
- Issue date Jun 17, 2008
- Gerald J. Vandeligt
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ARTICULATED HITCH MECHANISM
- Publication number 20080238039
- Publication date Oct 2, 2008
- Gerald J. Vandeligt
- E21 - EARTH DRILLING MINING
Information Patent Application
Modular self-propelled drilling apparatus
- Publication number 20060278418
- Publication date Dec 14, 2006
- Gerald J. Vandeligt
- E21 - EARTH DRILLING MINING