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Multi-color printer
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Patent number 4,621,270
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Issue date Nov 4, 1986
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Oki Electric Industry Co., Ltd.
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Minoru Mizutani
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal printer
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Patent number 4,598,301
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Issue date Jul 1, 1986
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Ricoh Company, Ltd.
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Masayuki Suzaki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Printer
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Patent number 4,564,848
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Issue date Jan 14, 1986
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Kyocera Corporation
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Tadayuki Kuzumi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Print ribbon driving mechanism
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Patent number 4,358,209
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Issue date Nov 9, 1982
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International Business Machines Corporation
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James M. Rigotti
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ribbon advancing mechanism
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Patent number 4,157,224
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Issue date Jun 5, 1979
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Teletype Corporation
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Alfred Z. Purzycki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3726381
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Patent number 3,726,381
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Issue date Apr 10, 1973
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS