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Transaction printer
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Patent number 6,293,469
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Issue date Sep 25, 2001
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DH Technology Inc.
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Bernard V. Masson
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G07 - CHECKING-DEVICES
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Interactive video systems
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Patent number 5,780,828
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Issue date Jul 14, 1998
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DH Technology, Inc.
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Robert Mos
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G06 - COMPUTING CALCULATING COUNTING
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Dot matrix print head assembly
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Patent number 4,886,381
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Issue date Dec 12, 1989
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DH Technology, Inc.
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Kevin T. Kersey
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Dot matrix print head assembly
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Patent number 4,755,068
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Issue date Jul 5, 1988
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DH Technology, Inc.
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Donald G. Hebert
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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