TREA

James J. Mason

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  • New Hudson, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal flexible sign mounting device
    • Patent number 5,725,186
    • Issue date Mar 10, 1998
    • Marketing Displays, Inc.
    • David U. Hillstrom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cap lock for sign stand
    • Patent number 5,472,162
    • Issue date Dec 5, 1995
    • Marketing Displays, Inc.
    • James J. Mason
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Release mechanism for locking pivotable leg
    • Patent number 5,340,068
    • Issue date Aug 23, 1994
    • Marketing Displays, Inc.
    • Robert Sarkisian
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Universal stackable manhole shield
    • Patent number 5,046,886
    • Issue date Sep 10, 1991
    • Marketing Displays, Inc.
    • David J. Muir
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES