TREA

William Lingenfelter

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substrate removal apparatus
    • Patent number 7,097,383
    • Issue date Aug 29, 2006
    • Waterwerks Inc.
    • Thomas Chase
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Substrate removal apparatus
    • Patent number 6,953,303
    • Issue date Oct 11, 2005
    • Waterwerks Inc.
    • Thomas Chase
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES