Yabei Gu

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Painted Post, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Cutting elements and bits incorporating the same
- Patent number 7,604,074
- Issue date Oct 20, 2009
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Cutting elements and bits incorporating the same
- Publication number 20080302578
- Publication date Dec 11, 2008
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING