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Werner Tietz

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  • Berlin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic lock
    • Patent number 4,662,197
    • Issue date May 5, 1987
    • Zeiss Ikon Aktiengesellschaft
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock-key system
    • Patent number 4,653,298
    • Issue date Mar 31, 1987
    • Zeiss Ikon AG
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock and key system
    • Patent number 4,608,842
    • Issue date Sep 2, 1986
    • Zeiss Ikon AG
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Multi-level lock system and method
    • Patent number 4,325,242
    • Issue date Apr 20, 1982
    • ZEISS IKON AG Goerzwerk
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cylinder lock with a lock picking impediment
    • Patent number 4,222,252
    • Issue date Sep 16, 1980
    • Zeiss Ikon AG Goerzwerk
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Multi-level lock system and method
    • Patent number 4,221,121
    • Issue date Sep 9, 1980
    • Zeis Ikon AG. Goerzerk
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cylinder-lock mechanism and key means therefore
    • Patent number 4,213,316
    • Issue date Jul 22, 1980
    • Werner Tietz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES