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Enhanced tab package
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Patent number 4,903,113
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Issue date Feb 20, 1990
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International Business Machines Corporation
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Richard F. Frankeny
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H01 - BASIC ELECTRIC ELEMENTS
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Multi-zone thermal print head
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Patent number 4,520,371
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Issue date May 28, 1985
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International Business Machines Corporation
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Rowland V. D. Firth
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Controlling a multi-wire printhead
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Patent number 4,470,056
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Issue date Sep 4, 1984
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International Business Machines Corporation
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Louis V. Galetto
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal print head
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Patent number 4,450,342
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Issue date May 22, 1984
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International Business Machines Corporation
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Willie Goff
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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