TREA

Kjell Jansson

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  • Sollentuna, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and device for drilling
    • Patent number 6,016,878
    • Issue date Jan 25, 2000
    • Atlas Copco Craelius AB
    • Kjell Jansson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling device
    • Patent number 5,996,710
    • Issue date Dec 7, 1999
    • Atlas Copco Craelius AB
    • Kjell Jansson
    • E21 - EARTH DRILLING MINING