Richard James Haszel

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Mundelein, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Additives in gypsum slurries and adjusting their proportions
- Patent number 8,801,852
- Issue date Aug 12, 2014
- United States Gypsum Company
- Chris C. Lee
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Additives in gypsum panels and adjusting their proportions
- Patent number 8,597,426
- Issue date Dec 3, 2013
- United States Gypsum Company
- Chris C. Lee
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Slurry mixer constrictor valve
- Patent number 7,296,919
- Issue date Nov 20, 2007
- United States Gypsum Company
- Bruce Lynn Petersen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Slurry mixer constrictor valve
- Patent number 7,007,914
- Issue date Mar 7, 2006
- United States Gypsum Company
- Bruce Lynn Petersen
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
ADDITIVES IN GYPSUM SLURRIES AND ADJUSTING THEIR PROPORTIONS
- Publication number 20140073711
- Publication date Mar 13, 2014
- United States Gypsum Company
- Chris C. Lee
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
ADDITIVES IN GYPSUM PANELS AND ADJUSTING THEIR PROPORTIONS
- Publication number 20110054053
- Publication date Mar 3, 2011
- Chris C. Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Slurry mixer constrictor valve
- Publication number 20060092759
- Publication date May 4, 2006
- United States Gypsum Company
- Bruce Lynn Petersen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Slurry mixer constrictor valve
- Publication number 20050253098
- Publication date Nov 17, 2005
- Bruce Lynn Petersen
- B28 - WORKING CEMENT, CLAY, OR STONE