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Drive mechanism for a ribbon disc
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Patent number 4,591,282
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Issue date May 27, 1986
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International Business Machines Corporation
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John P. Bradley
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Disc ink ribbon
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Patent number 4,093,061
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Issue date Jun 6, 1978
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Burroughs Corporation
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Anthony Horak
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3715980
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Patent number 3,715,980
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Issue date Feb 13, 1973
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3654863
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Patent number 3,654,863
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Issue date Apr 11, 1972
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3043214
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Patent number 3,043,214
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Issue date Jul 10, 1962
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2949176
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Patent number 2,949,176
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Issue date Aug 16, 1960
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2904160
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Patent number 2,904,160
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Issue date Sep 15, 1959
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2530697
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Patent number 2,530,697
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Issue date Nov 21, 1950
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2506255
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Patent number 2,506,255
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Issue date May 2, 1950
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1593674
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Patent number 1,593,674
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Issue date Jul 27, 1926
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1417556
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Patent number 1,417,556
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Issue date May 30, 1922
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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956112
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Patent number 956,112
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Issue date Apr 26, 1910
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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726235
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Patent number 726,235
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Issue date Apr 21, 1903
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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575145
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Patent number 575,145
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Issue date Jan 12, 1897
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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381910
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Patent number 381,910
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Issue date May 1, 1888
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS