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John C. Urbach
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Portola Valley, CA, US
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last 30 patents
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Patent Grant
High density block oriented solid state optical memories
Patent number
4,663,738
Issue date
May 5, 1987
Xerox Corporation
Robert A. Sprague
G11 - INFORMATION STORAGE
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Patent Grant
Linear array modulator
Patent number
4,162,121
Issue date
Jul 24, 1979
Xerox Corporation
Gary K. Starkweather
G02 - OPTICS
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Patent Grant
Motion blur compensation for moving media optical data recording sy...
Patent number
4,130,898
Issue date
Dec 19, 1978
Xerox Corporation
John C. Urbach
G11 - INFORMATION STORAGE
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Patent Grant
Optical data storage and retrieval system
Patent number
4,122,551
Issue date
Oct 24, 1978
Xerox Corporation
John C. Urbach
G11 - INFORMATION STORAGE