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Jack Clark

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  • Reynella, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail fastening assembly
    • Patent number 4,819,870
    • Issue date Apr 11, 1989
    • Omark Industries, Inc.
    • Jack Clark
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Spring rail fastener
    • Patent number 4,424,935
    • Issue date Jan 10, 1984
    • Omark Industries, Inc.
    • William F. Langman
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES