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Patent number 6,154,626
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Issue date Nov 28, 2000
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Xerox Corporation
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Alan M. Litman
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Composite pressure roll
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Patent number 5,291,257
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Issue date Mar 1, 1994
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Xerox Corporation
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Kenneth M. Cerrah
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Ionographic imaging system
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Patent number 5,153,618
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Issue date Oct 6, 1992
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Xerox Corporation
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John A. Frank
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ionographic imaging system
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Patent number 5,073,434
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Issue date Dec 17, 1991
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Xerox Corporation
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John A. Frank
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS