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Michael H. Kidwell
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Huber Heights, OH, US
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last 30 patents
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Patent Grant
Method and apparatus for controlling the blade of a motorgrader
Patent number
5,107,932
Issue date
Apr 28, 1992
Spectra-Physics Laserplane, Inc.
Mark E. Zachman
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Method and apparatus for controlling motorgrader cross slope cut
Patent number
4,926,948
Issue date
May 22, 1990
Spectra-Physics, Inc.
James B. Davidson
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Laser control of excavating machine digging depth
Patent number
4,888,890
Issue date
Dec 26, 1989
Spectra-Physics, Inc.
Robert H. Studebaker
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING