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Printing systems
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Patent number 5,160,943
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Issue date Nov 3, 1992
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Esselte Meto International Produktions GmbH
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Robert M. Pettigrew
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ramp ribbon cartridge
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Patent number 4,801,215
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Issue date Jan 31, 1989
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Pelikan, Inc.
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Hans Paffhausen
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3082687
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Patent number 3,082,687
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Issue date Mar 26, 1963
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3037448
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Patent number 3,037,448
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Issue date Jun 5, 1962
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2734615
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Patent number 2,734,615
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Issue date Feb 14, 1956
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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512365
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Patent number 512,365
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Issue date Jan 9, 1894
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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415528
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Patent number 415,528
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Issue date Nov 19, 1889
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS