TREA

Hannu O. Kahonen

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  • Helsinki, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number D361708
    • Issue date Aug 29, 1995
    • Abloy Security Ltd. Oy
    • Hannu O. Kahonen
    • D08 - Tools and hardware
  • Information Patent Grant

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    • Patent number D353531
    • Issue date Dec 20, 1994
    • Abloy Security Ltd. Oy
    • Hannu O. Kahonen
    • D08 - Tools and hardware
  • Information Patent Grant

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    • Patent number D353089
    • Issue date Dec 6, 1994
    • Abloy Security Ltd. Oy
    • Hannu O. Kahonen
    • D08 - Tools and hardware