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Keijo Lehikoinen

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  • Joensuu, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromechanical door lock
    • Patent number 5,083,448
    • Issue date Jan 28, 1992
    • Oy Abloy Security Ltd.
    • Vesa Karkkainen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door lock
    • Patent number 4,902,053
    • Issue date Feb 20, 1990
    • Oy Wartsila AB
    • Reijo Hakkarainen
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Arrangement in doors
    • Patent number 4,445,299
    • Issue date May 1, 1984
    • Oy Wartsila AB
    • Keijo Lehikoinen
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...