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Lawrence K. Edwards

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  • Falls Church, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical joint
    • Patent number 4,485,967
    • Issue date Dec 4, 1984
    • Lawrence K. Edwards
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railway switch
    • Patent number 4,476,787
    • Issue date Oct 16, 1984
    • Lawrence K. Edwards
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES