TREA

Nicholas Chlumecky

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  • Youngstown, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,565,469
    • Issue date Jan 21, 1986
    • Commercial Shearing, Inc.
    • Nicholas Chlumecky
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

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    • Patent number 4,497,597
    • Issue date Feb 5, 1985
    • Commercial Shearing, Inc.
    • Nicholas Chlumecky
    • E21 - EARTH DRILLING MINING