TREA

Bert O. Jonsson

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  • Vintrie, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door mounted safety apparatus
    • Patent number 5,276,391
    • Issue date Jan 4, 1994
    • Besam AB
    • Bert O. Jonsson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Device for detecting movable objects
    • Patent number 4,717,820
    • Issue date Jan 5, 1988
    • Bert O. Jonsson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Object sensing apparatus
    • Patent number 4,590,410
    • Issue date May 20, 1986
    • Bert O. Jonsson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Object sensing apparatus for an automatic door
    • Patent number 4,560,912
    • Issue date Dec 24, 1985
    • Jonsson; Bert O.
    • Bert O. Jonsson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Object sensing apparatus
    • Patent number 4,467,251
    • Issue date Aug 21, 1984
    • Besam AB
    • Bert O. Jonsson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES