TREA

Barbara Mattson

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  • Fairfield, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toy having rotating element
    • Patent number 6,648,647
    • Issue date Nov 18, 2003
    • LeapFrog Enterprises, Inc.
    • Michael C. Wood
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Toy having rotating element
    • Publication number 20030003427
    • Publication date Jan 2, 2003
    • LeapFrog Enterprises, Inc.
    • Michael C. Wood
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS