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Secondary user interface
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Patent number 8,555,194
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Issue date Oct 8, 2013
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D. David Nason
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Parallel interface
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Patent number 6,590,592
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Issue date Jul 8, 2003
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xSides Corporation
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D. David Nason
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Secondary user interface
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Patent number 6,437,809
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Issue date Aug 20, 2002
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xSides Corporation
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D David Nason
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Secondary user interface
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Patent number 6,426,762
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Issue date Jul 30, 2002
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xSides Corporation
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D David Nason
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G06 - COMPUTING CALCULATING COUNTING
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Overscan user interface
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Patent number 6,310,603
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Issue date Oct 30, 2001
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xSides Corporation
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D. David Nason
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G06 - COMPUTING CALCULATING COUNTING
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Overscan user interface
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Patent number 6,018,332
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Issue date Jan 25, 2000
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Ark Interface II, Inc.
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D. David Nason
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G06 - COMPUTING CALCULATING COUNTING