David W. Armstrong

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Photoluminescent semiconductor materials
- Patent number 6,780,649
- Issue date Aug 24, 2004
- IatroQuest Corporation
- David W. Armstrong
- G01 - MEASURING TESTING
Information Patent Grant
Photoluminescent semiconductor materials
- Patent number 6,630,356
- Issue date Oct 7, 2003
- IatroQuest Corporation
- David W. Armstrong
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Photoluminescent semiconductor materials
- Publication number 20040214342
- Publication date Oct 28, 2004
- David W. Armstrong
- G01 - MEASURING TESTING
Information Patent Application
Photoluminescent semiconductor materials
- Publication number 20030129764
- Publication date Jul 10, 2003
- David W. Armstrong
- G01 - MEASURING TESTING