John Jason ROXBURGH

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making a lightweight gypsum composition with internally...
- Patent number 11,414,352
- Issue date Aug 16, 2022
- United States Gypsum Company
- David D. Pelot
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for making a lightweight gypsum composition with internally...
- Patent number 10,737,981
- Issue date Aug 11, 2020
- United States Gypsum Company
- Samar Emami
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MAKING A LIGHTWEIGHT GYPSUM COMPOSITION WITH INTERNALLY...
- Publication number 20190315659
- Publication date Oct 17, 2019
- United States Gypsum Company
- David D. PELOT
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHOD FOR MAKING A LIGHTWEIGHT GYPSUM COMPOSITION WITH INTERNALLY...
- Publication number 20180099908
- Publication date Apr 12, 2018
- United States Gypsum Company
- Samar EMAMI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES