James B. Van Voorhis

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Roane County, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Visible light laser tachometer for sensing rotational speed of an o...
- Patent number 5,059,901
- Issue date Oct 22, 1991
- Technology for Energy Corporation
- James B. Van Voorhis
- G01 - MEASURING TESTING