William Lee Bergiadis

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Santa Clarita, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
SOUND ABSORBING WALL
- Publication number 20140374952
- Publication date Dec 25, 2014
- William Lee Bergiadis
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
SOUND ABSORBING WALL
- Publication number 20130199868
- Publication date Aug 8, 2013
- William Lee Bergiadis
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES