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Hand-held printer
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Patent number 4,539,906
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Issue date Sep 10, 1985
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Sharp Kabushiki Kaisha
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Mitsuru Ogura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3626845
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Patent number 3,626,845
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Issue date Dec 14, 1971
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3295439
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Patent number 3,295,439
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Issue date Jan 3, 1967
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2090869
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Patent number 2,090,869
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Issue date Aug 24, 1937
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS