William R. Wernsmann

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Chesapeake, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of using anionic copolymer formulations for seepage control
- Patent number 7,306,406
- Issue date Dec 11, 2007
- Ciba Specialty Chemicals Corporation
- John M. Putnam
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Method of using anionic copolymer formulations for seepage control
- Publication number 20060193700
- Publication date Aug 31, 2006
- John M. Putnam
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING