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Karl Axel Stjernstrom

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  • Svedjevagen, SE
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Patents Applicationslast 30 patents

  • Information Patent Application

    Driver
    • Publication number 20060000645
    • Publication date Jan 5, 2006
    • Karl Axel Stjernstrom
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Down-the-hole drill hammer
    • Publication number 20050045385
    • Publication date Mar 3, 2005
    • Karl Axel Stjernstrom
    • E21 - EARTH DRILLING MINING