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Eugene R. Cochran
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Tucson, AZ, US
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last 30 patents
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Patent Grant
Apparatus and method for automatically focusing an interference mic...
Patent number
5,122,648
Issue date
Jun 16, 1992
Wyko Corporation
Donald K. Cohen
G02 - OPTICS
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Patent Grant
Apparatus and method for automatically focusing an interference mic...
Patent number
4,931,630
Issue date
Jun 5, 1990
Wyko Corporation
Donald K. Cohen
G02 - OPTICS