TREA

Robert L. McDorman Sr.

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  • La Porte, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door locking system
    • Patent number 4,269,048
    • Issue date May 26, 1981
    • Robert L. McDorman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Security device for trailer coupling pin
    • Patent number 4,132,093
    • Issue date Jan 2, 1979
    • Robert L. McDorman
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS