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David Gramenz

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  • Invergrove Heights, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 9,446,704
    • Issue date Sep 20, 2016
    • David Gramenz
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Restraint device with release mechanism
    • Patent number 6,530,127
    • Issue date Mar 11, 2003
    • John W. Curtin
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20160375817
    • Publication date Dec 29, 2016
    • David Gramenz
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

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    • Publication number 20160288692
    • Publication date Oct 6, 2016
    • David Gramenz
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Restraint device with release mechanism
    • Publication number 20020026692
    • Publication date Mar 7, 2002
    • John W. Curtin
    • B60 - VEHICLES IN GENERAL