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Zoom lens copier
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Patent number 4,101,213
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Issue date Jul 18, 1978
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Xerox Corporation
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Kenneth W. Laskowski
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Zoom lens copier
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Patent number 4,046,467
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Issue date Sep 6, 1977
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Xerox Corporation
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Kenneth W. Laskowski
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Stepper motor control
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Patent number 3,991,355
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Issue date Nov 9, 1976
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Xerox Corporation
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Edward G. Reehil
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Vacuum system control
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Patent number 3,946,920
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Issue date Mar 30, 1976
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Xerox Corporation
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William E. Jordan
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL