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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
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Compact corona charging device
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Patent number 4,057,723
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Issue date Nov 8, 1977
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Xerox Corporation
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Dror Sarid
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Rotatable corona device
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Patent number 4,056,723
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Issue date Nov 1, 1977
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Xerox Corporation
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Brian E. Springett
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY