Hal P. Demuth

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Littleton, CO, US

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Patents Applicationslast 30 patents

Information Patent Application
METHOD OF ACHIEVING HYDRAULIC CONTROL FOR IN-SITU MINING THROUGH TE...
- Publication number 20090218876
- Publication date Sep 3, 2009
- Petrotek Engineering Corporation
- Hal P. Demuth
- E21 - EARTH DRILLING MINING