TREA

Robert P. Sellberg

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  • Schererville, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Railway freight car
    • Patent number 4,917,019
    • Issue date Apr 17, 1990
    • Trinity Industries, Inc.
    • Harold E. Hesch
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway freight car
    • Patent number 4,864,938
    • Issue date Sep 12, 1989
    • Trinity Industries, Inc.
    • Harold E. Hesch
    • B61 - RAILWAYS