Matthew A. Wassman

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Hudson, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Culvert inlet protection device
- Patent number 7,682,104
- Issue date Mar 23, 2010
- Royal Concrete Pipe, Inc.
- Matthew A. Wassman
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
CULVERT INLET PROTECTION DEVICE
- Publication number 20070154266
- Publication date Jul 5, 2007
- Matthew A. Wassman
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES