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Pin Zeng

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  • Vernon Hills, IL, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric U or H toothbrush
    • Publication number 20120005848
    • Publication date Jan 12, 2012
    • Pin Zeng
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    H Shape Toothbrush
    • Publication number 20110191971
    • Publication date Aug 11, 2011
    • Pin Zeng
    • A46 - BRUSHWARE
  • Information Patent Application

    U Shape Toothbrush
    • Publication number 20110056037
    • Publication date Mar 10, 2011
    • Pin Zeng
    • A46 - BRUSHWARE
  • Information Patent Application

    Toilet Warm Water and Air Ejection Device
    • Publication number 20110016624
    • Publication date Jan 27, 2011
    • Pin Zeng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...