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  • Information Patent Application

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    • Publication number 20040217156
    • Publication date Nov 4, 2004
    • Douglas K. Purcell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

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    • Publication number 20030015581
    • Publication date Jan 23, 2003
    • Douglas K. Purcell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

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    • Publication number 20020130169
    • Publication date Sep 19, 2002
    • Douglas K. Purcell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL