TREA

C. Lynwood Grisham

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  • Memphis, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steel security door frame
    • Patent number 4,949,771
    • Issue date Aug 21, 1990
    • Fred A. Grisham
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door frame extension assembly
    • Patent number 4,888,924
    • Issue date Dec 26, 1989
    • Fred A. Grisham
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door extension apparatus
    • Patent number 4,850,144
    • Issue date Jul 25, 1989
    • Fred A. Grisham
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door latch means
    • Patent number 4,438,961
    • Issue date Mar 27, 1984
    • Grisham Corporation
    • C. Lynwood Grisham
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES