TREA

Edward T. Leitkowski Jr.

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  • Colchester, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cylindrical lock assembly
    • Patent number 5,141,269
    • Issue date Aug 25, 1992
    • Emhart Inc.
    • Mohammed A. Haq
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cylindrical lock assembly
    • Patent number 5,123,682
    • Issue date Jun 23, 1992
    • Emhart Inc.
    • James E. Robida
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES