TREA

Alexander Stefanescu

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Locking device and reversible key
    • Patent number 4,964,288
    • Issue date Oct 23, 1990
    • DOM-Sicherheitstechnik GmbH & Co. KG
    • Peter B. Braun
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Key for a lock cylinder
    • Patent number 4,787,225
    • Issue date Nov 29, 1988
    • DOM-Sicherheitstechnik GmbH & Co. KG
    • Herbert P. Hauser
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES