TREA

Gregory Andreichuk

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  • Clearwater, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine stopping caulk
    • Patent number 4,687,790
    • Issue date Aug 18, 1987
    • The Celotex Corporation
    • Gregory Andreichuk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine stopping caulk
    • Patent number 4,596,838
    • Issue date Jun 24, 1986
    • The Celotex Corporation
    • Gregory Andreichuk
    • E21 - EARTH DRILLING MINING