TREA

Ritha Chan

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  • Charlotte, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Handheld vacuum cleaner
    • Patent number 11,478,119
    • Issue date Oct 25, 2022
    • Techtronic Floor Care Technology Limited
    • Mohammed Irfan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Battery
    • Patent number D844556
    • Issue date Apr 2, 2019
    • TTI (Macao Commercial Offshore) Limited
    • Mohammed Irfan
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Handheld vacuum cleaner
    • Patent number D844264
    • Issue date Mar 26, 2019
    • TTi (Macao Commercial Offshore) Limited
    • Mohammed Irfan
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Handheld vacuum cleaner
    • Patent number D838067
    • Issue date Jan 8, 2019
    • TTi (Macao Commercial Offshore) Limited
    • Mohammed Irfan
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

  • Information Patent Application

    HANDHELD VACUUM CLEANER
    • Publication number 20190183303
    • Publication date Jun 20, 2019
    • TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    • Alvin Au Yeuk YUEN
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    HANDHELD VACUUM CLEANER
    • Publication number 20190183307
    • Publication date Jun 20, 2019
    • TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    • Mohammed Irfan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...