TREA

Lizabeth W. Dretzka

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dustpan
    • Patent number D687204
    • Issue date Jul 30, 2013
    • 3M Innovative Properties Company
    • Lloyd S. Vasilakes
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Dustpan
    • Patent number D684331
    • Issue date Jun 11, 2013
    • 3M Innovative Properties Company
    • Lloyd S. Vasilakes
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Broom
    • Patent number D674197
    • Issue date Jan 15, 2013
    • 3M Innovative Properties Company
    • Adel M. Kassem Llano
    • D04 - Brushware