Richard Spencer

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Villa Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods for treating set gypsum
- Patent number 6,822,033
- Issue date Nov 23, 2004
- United States Gypsum Company
- Qiang Yu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Reduced dusting gypsum composites and method of making them
- Publication number 20070246683
- Publication date Oct 25, 2007
- David Paul Miller
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Compositions and methods for treating set gypsum
- Publication number 20030100648
- Publication date May 29, 2003
- United States Gypsum Company
- Qiang Yu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES