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Reminder display envelope
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Patent number 7,127,844
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Issue date Oct 31, 2006
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W & D Machinery Company, Inc.
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Robert William Collins
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Interchangeable flexible die
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Patent number 6,766,733
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Issue date Jul 27, 2004
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Winkler + Dunnebier, AG
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Robert W. Collins
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Envelope having dual function adhesive
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Patent number 6,402,015
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Issue date Jun 11, 2002
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Winkeler + Dunnebrier, AG
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Robert W. Collins
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL