TREA

Helai Li

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  • Maple Grove, MN, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    CORNER SUCTION DEVICES FOR VACUUM CLEANERS, AND ASSOCIATED SYSTEMS...
    • Publication number 20230013046
    • Publication date Jan 19, 2023
    • OHC IP Holdings, LLC
    • Michael O'Shaughnessy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    AIR PURIFICATION SYSTEMS AND METHODS FOR VACUUM CLEANERS
    • Publication number 20230018446
    • Publication date Jan 19, 2023
    • OHC IP Holdings, LLC
    • Michael O'Shaughnessy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    MODULAR VACUUM CLEANERS
    • Publication number 20230018167
    • Publication date Jan 19, 2023
    • OHC IP Holdings, LLC
    • Michael O'Shaughnessy
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...