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Underground access conduit
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Patent number 6,354,325
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Issue date Mar 12, 2002
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3 Dimensional Contracting, Inc.
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Kenneth F. Warnes
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E03 - WATER SUPPLY SEWERAGE
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Active paper drop for printers
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Patent number 4,794,859
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Issue date Jan 3, 1989
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Hewlett-Packard Company
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William R. Huseby
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Dual axis paper drive
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Patent number 4,759,649
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Issue date Jul 26, 1988
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Hewlett-Packard Company
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Kieran B. Kelly
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS