TREA

James D. Sturgill

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  • Roxboro, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Twistlock operator
    • Patent number 4,521,044
    • Issue date Jun 4, 1985
    • RPC Corporation
    • William S. Appleman
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Gantry crane
    • Patent number 4,378,072
    • Issue date Mar 29, 1983
    • RPC Corporation
    • William S. Appleman
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hydraulic master-slave steering system for a wide track vehicle
    • Patent number 4,263,979
    • Issue date Apr 28, 1981
    • RPC Corporation
    • James D. Sturgill
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Straddle crane apparatus
    • Patent number 4,219,094
    • Issue date Aug 26, 1980
    • RPC Corporation
    • James D. Sturgill
    • B66 - HOISTING LIFTING HAULING