Robert G. Lange

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Villa Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Low fiber calcination process for making gypsum fiberboard
- Patent number 7,918,950
- Issue date Apr 5, 2011
- United States Gypsum Company
- Marsha S. Skinner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Plaster consistency reducer
- Patent number 4,237,260
- Issue date Dec 2, 1980
- United States Gypsum Company
- Robert G. Lange
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Plaster composition containing water-reducing agent
- Patent number 4,184,887
- Issue date Jan 22, 1980
- United States Gypsum Company
- Robert G. Lange
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
LOW FIBER CALCINATION PROCESS FOR MAKING GYPSUM FIBERBOARD
- Publication number 20090159173
- Publication date Jun 25, 2009
- United States Gypsum Company
- Marsha S. SKINNER
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES