TREA

Richard O. Norman

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  • San Antonio, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cell door operating system
    • Patent number 5,241,787
    • Issue date Sep 7, 1993
    • Adtec, Incorporated
    • Richard O. Norman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cell door operating system
    • Patent number 5,212,908
    • Issue date May 25, 1993
    • Adtec, Incorporated
    • Richard O. Norman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES