TREA

David Ziegenhorn

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  • Grayslake, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Child-resistant closure
    • Patent number D508853
    • Issue date Aug 30, 2005
    • Crown Packaging Technology, Inc.
    • David Ziegenhorn
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Child-resistant closure
    • Patent number D508203
    • Issue date Aug 9, 2005
    • Crown Packaging Technology, Inc.
    • David Ziegenhorn
    • D09 - Packages and containers for goods