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Helen M. Hahn

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  • Catonsville, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Protective eyewear
    • Patent number 8,327,466
    • Issue date Dec 11, 2012
    • WM. T. Burnett IP, LLC
    • Helen M. Hahn
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Protective eyewear
    • Patent number 7,617,544
    • Issue date Nov 17, 2009
    • WM. T. Burnett IP, LLC
    • Helen M. Hahn
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Protective eyewear
    • Patent number 7,260,854
    • Issue date Aug 28, 2007
    • STX, LLC
    • Helen M. Hahn
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    PROTECTIVE EYEWEAR
    • Publication number 20110078847
    • Publication date Apr 7, 2011
    • WM. T. BURNETT IP. LLC
    • Helen M. Hahn
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Protective Eyewear
    • Publication number 20080016600
    • Publication date Jan 24, 2008
    • STX, LLC
    • Helen M. Hahn
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Protective eyewear
    • Publication number 20060117449
    • Publication date Jun 8, 2006
    • Helen M. Hahn
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE