Michelle Sau Kuen Lee

Person

  • San Francisco, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Food item grading

    • Patent number 8,647,121
    • Issue date Feb 11, 2014
    • Yottamark, Inc.
    • Brian Benjamin Witlin
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS