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David J. Gilbertson

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  • Hastings, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vertical pocket folder
    • Patent number 9,902,189
    • Issue date Feb 27, 2018
    • Smead Manufacturing Company
    • David J. Gilbertson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Method of making a powder coated protected prong file fastener
    • Patent number 9,839,937
    • Issue date Dec 12, 2017
    • Smead Manufacturing Company
    • Harold Peter Lindelof
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vertical pocket folder
    • Patent number 9,346,588
    • Issue date May 24, 2016
    • Smead Manufacturing Company
    • David J. Gilbertson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Multiple pocket folders and method of manufacture
    • Patent number 9,296,247
    • Issue date Mar 29, 2016
    • Smead Manufacturing Company
    • Duane Christensen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    File folder with multiple pockets
    • Patent number D744587
    • Issue date Dec 1, 2015
    • Smead Manufacturing Company
    • Duane Christensen
    • D19 - Office supplies
  • Information Patent Grant

    Vertical pocket folder
    • Patent number D739460
    • Issue date Sep 22, 2015
    • Smead Manufacturing Company
    • David J. Gilbertson
    • D19 - Office supplies
  • Information Patent Grant

    Protected prong file fastener and method of manufacture
    • Patent number 9,114,597
    • Issue date Aug 25, 2015
    • Smead Manufacturing Company
    • Harold Peter Lindelof
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    File folder with multiple pockets
    • Patent number D734390
    • Issue date Jul 14, 2015
    • Smead Manufacturing Company
    • Duane Christensen
    • D19 - Office supplies
  • Information Patent Grant

    Protected prong file fastener and method of manufacture
    • Patent number 8,746,314
    • Issue date Jun 10, 2014
    • Smead Manufacturing Company
    • Harold Peter Lindelof
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Protected prong file fastener and method of making
    • Patent number 8,747,588
    • Issue date Jun 10, 2014
    • Smead Manufacturing Company
    • Harold Peter Lindelof
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    File folder and repositionable tab
    • Patent number 8,650,784
    • Issue date Feb 18, 2014
    • Smead Manufacturing Company
    • Marvin Halfen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Protected prong file fastener
    • Patent number 8,414,211
    • Issue date Apr 9, 2013
    • Smead Manufacturing Company
    • Harold Peter Lindelof
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

  • Information Patent Application

    Vertical Pocket Folder
    • Publication number 20160263933
    • Publication date Sep 15, 2016
    • Smead Manufacturing Company
    • David J. Gilbertson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Multiple Pocket Folders And Method Of Manufacture
    • Publication number 20140252074
    • Publication date Sep 11, 2014
    • Smead Manufacturing Company
    • Duane Christensen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Vertical Pocket Folder
    • Publication number 20140151442
    • Publication date Jun 5, 2014
    • David J. Gilbertson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    File Folder And Repositionable Tab
    • Publication number 20110127317
    • Publication date Jun 2, 2011
    • Marvin Halfen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER