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David W. Dinsmore

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  • Solana Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shield assembly for highway signs
    • Patent number 5,396,724
    • Issue date Mar 14, 1995
    • Gangewer; Joyce
    • David W. Dinsmore
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Anti-graffiti device
    • Patent number 5,347,769
    • Issue date Sep 20, 1994
    • Joyce Gangewer DBA Sea Coast Canvas & Awning Co.
    • David W. Dinsmore
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES