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Integrated keyboard
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Patent number D487088
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Issue date Feb 24, 2004
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Logic Controls, Inc.
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Jackson Lum
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D14 - Recording, communication, or information retrieval equipment
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Point-of-sale system
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Patent number 6,546,441
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Issue date Apr 8, 2003
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Logic Controls, Inc.
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Jackson Lum
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G06 - COMPUTING CALCULATING COUNTING
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Integrated keyboard
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Patent number D469435
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Issue date Jan 28, 2003
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Logic Controls, Inc.
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Jackson Lum
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D14 - Recording, communication, or information retrieval equipment
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POS display
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Patent number D462983
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Issue date Sep 17, 2002
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Logic Controls, Inc.
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Jackson Lum
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D18 - Printing and office machinery
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Modular keyboard
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Patent number D454876
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Issue date Mar 26, 2002
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Logic Controls, Inc.
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Jackson Lum
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D14 - Recording, communication, or information retrieval equipment
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Modular point of sale keyboard
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Patent number D446210
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Issue date Aug 7, 2001
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Logic Controls, Inc.
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Jackson Lum
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D14 - Recording, communication, or information retrieval equipment
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Point-of-sale system
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Patent number 5,895,452
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Issue date Apr 20, 1999
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Logic Controls, Inc.
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Jackson Lum
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G06 - COMPUTING CALCULATING COUNTING
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