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Duplicating system
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Patent number 3,967,818
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Issue date Jul 6, 1976
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Xerox Corporation
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Robert W. Gundlach
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Sheet stacking apparatus
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Patent number 3,938,802
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Issue date Feb 17, 1976
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Xerox Corporation
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Robert E. Hartman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3804005
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Patent number 3,804,005
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Issue date Apr 16, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3712214
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Patent number 3,712,214
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Issue date Jan 23, 1973
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3315957
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Patent number 3,315,957
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Issue date Apr 25, 1967
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL