TREA

Tim Blegen

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  • Spring Valley, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stair step portfolio file
    • Patent number 9,469,148
    • Issue date Oct 18, 2016
    • Smead Manufacturing Company
    • Duane Christensen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Stair step portfolio file
    • Patent number 8,540,138
    • Issue date Sep 24, 2013
    • Smead Manufacturing Company
    • Duane Christensen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Method for manufacturing stair step portfolio file
    • Patent number 8,425,387
    • Issue date Apr 23, 2013
    • Smead Manufacturing Company
    • Duane Christensen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER