Clarke; Donald A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Clarke; Donald A..The latest application filed is for "surface inspection using retro-reflective light field".

Company Profile

0.12.0

Clarke; Donald A. - Windsor CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Surface inspection using retro-reflective light field Grant 5,168,322 - Clarke , et al. December 1, 1	1992-12-01
Method and apparatus for determining physical characteristics of objects and object surfaces Grant 5,004,339 - Pryor , et al. * April 2, 1	1991-04-02
Panel surface flaw inspection Grant 4,920,385 - Clarke , et al. * April 24, 1	1990-04-24
Diffractosight improvements Grant 4,863,268 - Clarke , et al. * September 5, 1	1989-09-05
Surface reflectivity detector with oil mist reflectivity enhancement Grant 4,686,374 - Liptay-Wagner , et al. August 11, 1	1987-08-11
Panel surface flaw inspection Grant 4,629,319 - Clarke , et al. December 16, 1	1986-12-16
Method and apparatus for determining physical characteristics of objects and object surfaces Grant 4,506,980 - Pryor , et al. March 26, 1	1985-03-26
Method and apparatus for determining physical characteristics of objects and object surfaces Grant 4,493,554 - Pryor , et al. * January 15, 1	1985-01-15
Method and apparatus for determining dimensional information concerning an object Grant 4,465,374 - Pryor , et al. August 14, 1	1984-08-14
New photodetector array based optical measurement systems Grant 4,394,683 - Liptay-Wagner , et al. July 19, 1	1983-07-19
Method and apparatus for determining physical characteristics of object outer surfaces Grant 4,326,808 - Pryor , et al. April 27, 1	1982-04-27
Method and apparatus for determining physical characteristics of objects and object surfaces Grant 4,305,661 - Pryor , et al. December 15, 1	1981-12-15

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