William A. Birdwell

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic diffractive optical transform
- Patent number 7,009,581
- Issue date Mar 7, 2006
- William A. Birdwell
- G02 - OPTICS
Information Patent Grant
Dynamic diffractive optical transform
- Patent number 6,774,871
- Issue date Aug 10, 2004
- William A. Birdwell
- G02 - OPTICS
Information Patent Grant
Dynamic diffractive optical transform
- Patent number 6,437,762
- Issue date Aug 20, 2002
- William A. Birdwell
- G02 - OPTICS
Information Patent Grant
Diffractive optical switch with polarizing beam splitters
- Patent number 5,877,876
- Issue date Mar 2, 1999
- Apeldyn Corporation
- William A. Birdwell
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Dynamic diffractive optical transform
- Publication number 20050017925
- Publication date Jan 27, 2005
- William A. Birdwell
- G02 - OPTICS
Information Patent Application
Dynamic diffractive optical transform
- Publication number 20020180682
- Publication date Dec 5, 2002
- William A. Birdwell
- G02 - OPTICS