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Method of jetting phase change ink
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Patent number 5,313,232
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Issue date May 17, 1994
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Dataproducts Corporation
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Thomas R. Peer
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Method of jetting phase change ink
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Patent number 4,992,806
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Issue date Feb 12, 1991
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Dataproducts Corporation
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Thomas R. Peer
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink jet printer
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Patent number 4,714,936
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Issue date Dec 22, 1987
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Howtek, Inc.
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Richard R. Helinski
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS