TREA

William J. Zimmerle

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  • Elk, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Powered locomotive parking brake
    • Patent number 6,039,158
    • Issue date Mar 21, 2000
    • Richard H. Fox
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Temporary rail bridge
    • Patent number 5,791,559
    • Issue date Aug 11, 1998
    • Richard H. Fox
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES