Raymond L. Weholt

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Green Valley, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable placer exploration and sampling apparatus
- Patent number 6,854,537
- Issue date Feb 15, 2005
- Raymond L. Weholt
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Portable placer exploration and sampling apparatus
- Publication number 20040113482
- Publication date Jun 17, 2004
- Raymond L. Weholt
- E21 - EARTH DRILLING MINING