Donald Robert Zimmerman

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Mishawaka, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Noise barrier
- Patent number 8,776,945
- Issue date Jul 15, 2014
- Donald Robert Zimmerman
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
NOISE BARRIER
- Publication number 20130081901
- Publication date Apr 4, 2013
- Donald Robert Zimmerman
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES