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Ralph M. Grant
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Rochester, MI, US
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last 30 patents
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Patent Grant
Method and apparatus for viewing a shearographic image
Patent number
5,414,512
Issue date
May 9, 1995
Grant Engineering, Inc.
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Shearing optical element for interferometric analysis system
Patent number
5,341,204
Issue date
Aug 23, 1994
Grant Engineering, Inc.
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Interferometric test standard
Patent number
5,007,738
Issue date
Apr 16, 1991
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Double exposure interferometric analysis of structures and employin...
Patent number
4,702,594
Issue date
Oct 27, 1987
Industrial Holographics, Inc.
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Optical method and apparatus for strain analysis
Patent number
4,690,552
Issue date
Sep 1, 1987
Industrial Holographics, Inc.
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for the practice of double exposure interferometric non-d...
Patent number
4,425,039
Issue date
Jan 10, 1984
Industrial Holographics, Inc.
Ralph M. Grant
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for interferometric deformation analysis
Patent number
4,139,302
Issue date
Feb 13, 1979
Dr. Ralph M. Grant Engineering Consultants, Inc.
Yau Y. Hung
G01 - MEASURING TESTING
Information
Patent Grant
Beam ratio control for holography
Patent number
4,125,314
Issue date
Nov 14, 1978
Dr. Ralph M. Grant Engineering Consultants, Inc.
Richard E. Haskell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY