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Quang Van Dao

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  • Eden Prairie, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Controller
    • Patent number 10,795,324
    • Issue date Oct 6, 2020
    • Ecolab USA Inc.
    • Christopher D. Diller
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Concentration monitor method
    • Patent number 8,187,540
    • Issue date May 29, 2012
    • Ecolab Inc.
    • Richard J. Mehus
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Concentration monitor
    • Patent number 8,012,421
    • Issue date Sep 6, 2011
    • Ecolab Inc.
    • Richard J. Mehus
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROLLER
    • Publication number 20160223996
    • Publication date Aug 4, 2016
    • ECOLAB USA INC.
    • Christopher D. Diller
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    CONCENTRATION MONITOR
    • Publication number 20110320133
    • Publication date Dec 29, 2011
    • Ecolab Inc.
    • Richard J. Mehus
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Concentration monitor
    • Publication number 20040265174
    • Publication date Dec 30, 2004
    • Richard J. Mehus
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...