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Lars A. Norstrom

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  • Hagfors, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Precipitation-hardenable tool steel
    • Patent number 5,202,089
    • Issue date Apr 13, 1993
    • Uddeholm Tooling Aktiebolag
    • Lars-Ake Norstrom
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Hot work steel
    • Patent number 4,459,162
    • Issue date Jul 10, 1984
    • Lars-Ake Norstrom
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Welded steel chain
    • Patent number 4,428,781
    • Issue date Jan 31, 1984
    • Uddeholms Aktiebolag
    • Lars A. Norstrom
    • C21 - METALLURGY OF IRON