Robert B. Bruce

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Burlington, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gypsum board having improved flexibility, toughness, abuse resistan...
- Patent number 6,800,361
- Issue date Oct 5, 2004
- E. I. Du Pont de Nemours and Company
- Robert B. Bruce
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
GYPSUM BOARD HAVING IMPROVED FLEXIBILITY, TOUGHNESS, ABUSE RESISTAN...
- Publication number 20030232182
- Publication date Dec 18, 2003
- Robert B. Bruce
- B28 - WORKING CEMENT, CLAY, OR STONE