John P. Downing, JR.

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Port Townsend, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light source with optical feedback
- Patent number 7,767,947
- Issue date Aug 3, 2010
- John P. Downing, Jr.
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STABILITY LIGHT SOURCE SYSTEM AND METHOD OF MANUFACTURING
- Publication number 20120025714
- Publication date Feb 2, 2012
- John P. Downing, JR.
- G02 - OPTICS