Jinsheng S. Chen

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Morgantown, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining compressive stress in pillars
- Patent number 5,668,325
- Issue date Sep 16, 1997
- Cyprus Amax Coal Company
- Wm. Mark Hart
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MINE ROOF AND RIB SUPPORT
- Publication number 20150056023
- Publication date Feb 26, 2015
- DSI UNDERGROUND SYSTEMS, INC.
- James Edward PINKLEY
- E21 - EARTH DRILLING MINING