TREA

Larry D. Wydra

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  • Plymouth, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Demisting chamber with elbow strainer
    • Patent number 7,306,639
    • Issue date Dec 11, 2007
    • Tennant Company
    • Larry David Wydra
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Retractable broom and dust skirt
    • Patent number 7,025,834
    • Issue date Apr 11, 2006
    • Tennant Company
    • Daniel L. Joynt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Air sweeping apparatus
    • Patent number 6,742,219
    • Issue date Jun 1, 2004
    • Tennant Company
    • Michael H. Lenzmeier
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    Demisting chamber with elbow strainer
    • Publication number 20050172583
    • Publication date Aug 11, 2005
    • Tennant
    • Larry David Wydra
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Retractable broom and dust skirt
    • Publication number 20040040104
    • Publication date Mar 4, 2004
    • Daniel L. Joynt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Air sweeping apparatus
    • Publication number 20030079310
    • Publication date May 1, 2003
    • Michael H. Lenzmeier
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES