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Chris P. Brophy
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White Bear Township, Ramsey County, MN, US
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last 30 patents
Information
Patent Grant
Rough surface profiler and method
Patent number
5,355,221
Issue date
Oct 11, 1994
Wyko Corporation
Donald K. Cohen
G01 - MEASURING TESTING
Information
Patent Grant
Rough surface profiler and method
Patent number
5,204,734
Issue date
Apr 20, 1993
Wyko Corporation
Donald K. Cohen
G01 - MEASURING TESTING
Information
Patent Grant
Method for rapid, accurate measurement of step heights between diss...
Patent number
5,173,746
Issue date
Dec 22, 1992
Wyko Corporation
Chris P. Brophy
G01 - MEASURING TESTING
Information
Patent Grant
Rough surface profiler and method
Patent number
5,133,601
Issue date
Jul 28, 1992
Wyko Corporation
Donald K. Cohen
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for simultaneous measurement of film thickness...
Patent number
5,129,724
Issue date
Jul 14, 1992
Wyko Corporation
Chris P. Brophy
G01 - MEASURING TESTING