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Document print history
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Patent number 7,298,511
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Issue date Nov 20, 2007
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Hewlett-Packard Development Company, L.P.
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Daniel Travis Lay
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G06 - COMPUTING CALCULATING COUNTING
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Ink cartridge refilling system
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Patent number 6,973,943
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Issue date Dec 13, 2005
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Hewlett-Packard Development Company, L.P.
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Robert M. Sesek
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink cartridge refilling station
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Patent number 6,729,360
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Issue date May 4, 2004
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Hewlett-Packard Development Company, L.P.
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Robert M. Sesek
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS