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Ink ribbon cartridge for printer
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Patent number 5,865,545
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Issue date Feb 2, 1999
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Sony Corporation
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Shinichi Kondo
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink ribbon cartridge
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Patent number 5,620,265
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Issue date Apr 15, 1997
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Sony Corporation
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Shinichi Kondo
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Protective ink ribbon unit holder
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Patent number 5,536,094
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Issue date Jul 16, 1996
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Sony Corporation
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Shinichi Kondo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Ink ribbon cartridge
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Patent number 5,492,422
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Issue date Feb 20, 1996
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Sony Corporation
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Shinichi Kondo
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS