For the Inventor, By the Inventor

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Tucson, AZ, United States of America

Optical Perspectives Group, L.l.c.

USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 25

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2 inventors (with patents filed for the assignee):

William P Kuhn (3 out of 18 patents)

Robert E Parks (1 out of 10 patents)

3 patents: Sort by Forward Citations

1. 6459490 - Dual field of view optical system for microscope, and microscope and interferometer containing the same (2002-10-01),

2. 6433876 - Multiple wavelength or multiple shear distance quantitative differential interference contrast microscopy (2002-08-13),

3. 6404544 - Wavelength multiplexed quantitative differential interference contrast microscopy (2002-06-11),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#167 in Tucson, AZ

#992 in Arizona

#72,066 in US

Tucson, AZ, United States of America

Optical Perspectives Group, L.l.c.

Forward Citations = 25

2 inventors:

William P Kuhn (3 out of 18 patents)

Robert E Parks (1 out of 10 patents)

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