TREA

William E. Spengler

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  • Perrysburg, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trigger sprayer
    • Patent number D451388
    • Issue date Dec 4, 2001
    • Tolco Corporation
    • William E. Spengler
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Nozzle
    • Patent number D428811
    • Issue date Aug 1, 2000
    • Tolco Corporation
    • William E. Spengler
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Cushion grip handle
    • Patent number D417151
    • Issue date Nov 30, 1999
    • Tolco Corporation
    • William E. Spengler
    • D09 - Packages and containers for goods