David Greenlaw

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Fridley, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Narrow band selective absorption filter
- Patent number 5,270,854
- Issue date Dec 14, 1993
- Honeywell Inc.
- James C. Lee
- G02 - OPTICS
Information Patent Grant
Narrow band selective absorption filter
- Patent number 5,102,213
- Issue date Apr 7, 1992
- Honeywell Inc.
- James C. Lee
- G02 - OPTICS
Information Patent Grant
Narrow band selective absorption filter
- Patent number 4,935,166
- Issue date Jun 19, 1990
- James C. Lee
- G02 - OPTICS