TREA

Mark E. Rovnyak

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  • Mokena, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of repairing a rail
    • Patent number 7,520,415
    • Issue date Apr 21, 2009
    • Holland LP
    • Richard F. Kral
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of railroad rail repair
    • Patent number 6,515,249
    • Issue date Feb 4, 2003
    • Harsco Technologies Corporation
    • Greg A. Valley
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents