Gregg G. Diefenbacher

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Mars, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite gypsum board and methods related thereto
- Patent number 12,090,744
- Issue date Sep 17, 2024
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS
Information Patent Grant
Composite gypsum board and methods related thereto
- Patent number 11,040,513
- Issue date Jun 22, 2021
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS
Information Patent Grant
Composite gypsum board and methods related thereto
- Patent number 10,421,251
- Issue date Sep 24, 2019
- United States Gypsum Company
- Alfred C. Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composite gypsum board and methods related thereto
- Patent number 10,421,250
- Issue date Sep 24, 2019
- United States Gypsum Company
- Alfred C. Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO
- Publication number 20240359424
- Publication date Oct 31, 2024
- United States Gypsum Company
- Alfred C. Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO
- Publication number 20160375651
- Publication date Dec 29, 2016
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO
- Publication number 20160375655
- Publication date Dec 29, 2016
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO
- Publication number 20160376191
- Publication date Dec 29, 2016
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO
- Publication number 20160375656
- Publication date Dec 29, 2016
- United States Gypsum Company
- Alfred C. Li
- B32 - LAYERED PRODUCTS