Christopher Higgins

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Corvalis, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Prestressed or post-tension composite structural system
- Patent number 7,197,854
- Issue date Apr 3, 2007
- D.S. Brown Co.
- Robert A. Bettigole
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Prestressed or post-tension composite structural system
- Publication number 20050115195
- Publication date Jun 2, 2005
- D. S. Brown Co.
- Robert A. Bettigole
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES