H. Fredrick Peterson

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Bellevue, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sound attenuating structure
- Patent number 9,650,748
- Issue date May 16, 2017
- H. Fredrick Peterson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
SOUND ATTENUATING STRUCTURE
- Publication number 20150204034
- Publication date Jul 23, 2015
- H. Fredrick Peterson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES