TREA

Stig U. Lof

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  • Sunne, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eccentric drilling tool
    • Patent number 5,052,503
    • Issue date Oct 1, 1991
    • Uniroc Aktiebolag
    • Stig U. Lof
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flushing means for drilling tools
    • Patent number 5,040,621
    • Issue date Aug 20, 1991
    • Uniroc Aktiebolag
    • Stig U. Lof
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Laterally adjustable drilling tool
    • Patent number 5,009,274
    • Issue date Apr 23, 1991
    • Uniroc Aktiebolag
    • Stig U. Lof
    • E21 - EARTH DRILLING MINING