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Ribbon cartridge for a printer
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Patent number 4,838,716
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Issue date Jun 13, 1989
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Mitsubishi Denki Kabushiki Kaisha
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Mikio Shinada
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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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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Printing apparatus
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Patent number 4,600,325
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Issue date Jul 15, 1986
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Brother Kogyo Kabushiki Kaisha
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Tsugio Okamoto
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Typing error correction device
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Patent number 4,071,134
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Issue date Jan 31, 1978
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Frederick Harold Humphrey
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3834512
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Patent number 3,834,512
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Issue date Sep 10, 1974
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS