Stephen L. Marcus

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus with off-axis light path for characterizing the luminous...
- Patent number 5,818,571
- Issue date Oct 6, 1998
- Photometrics, Ltd.
- Keith N. Prettyjohns
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for characterizing the luminous intensity of a...
- Patent number 5,729,336
- Issue date Mar 17, 1998
- Photometrics, Ltd.
- Keith N. Prettyjohns
- G01 - MEASURING TESTING