TREA

Lennart Thornell

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  • Vasteras, SW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phase selective device
    • Patent number 3,986,128
    • Issue date Oct 12, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Leif Eriksson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Filtering arrangement for relay protection devices
    • Patent number 3,976,920
    • Issue date Aug 24, 1976
    • Allmanna Svenska Elektriska Aktiebolaget
    • Leif Eriksson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER