Guohua Zhang

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Northborough, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive tool with flat and consistent surface topography for condi...
- Patent number 8,721,395
- Issue date May 13, 2014
- Saint-Gobain Abrasives, Inc.
- Jianhui Wu
- B24 - GRINDING POLISHING
Information Patent Grant
Reinforced bonded abrasive tools
- Patent number 8,641,481
- Issue date Feb 4, 2014
- Saint-Gobain Abrasives, Inc.
- Emmanuel C. Francois
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
ABRASIVE TOOL WITH FLAT AND CONSISTENT SURFACE TOPOGRAPHY FOR CONDI...
- Publication number 20140208661
- Publication date Jul 31, 2014
- SAINT-GOBAIN ABRASIFS
- Jianhui Wu
- B24 - GRINDING POLISHING
Information Patent Application
Abrasive Tool with Flat and Consistent Surface Topography for Condi...
- Publication number 20120122377
- Publication date May 17, 2012
- SAINT-GOBAIN ABRASIFS
- Jianhui Wu
- B24 - GRINDING POLISHING
Information Patent Application
Reinforced Bonded Abrasive Tools
- Publication number 20100190424
- Publication date Jul 29, 2010
- Saint-Gobain Abrasives, Inc.
- Emmanuel C. Francois
- B24 - GRINDING POLISHING