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Robert Walker

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  • Winnipeg, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Subway movie/entertainment medium
    • Patent number 7,251,011
    • Issue date Jul 31, 2007
    • Sidetrack Technologies Inc.
    • Robert Walker
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Subway movie/entertainment medium
    • Patent number 6,870,596
    • Issue date Mar 22, 2005
    • Sidetrack Technologies Inc.
    • Robert Walker
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Subway movie/entertainment medium
    • Publication number 20050174539
    • Publication date Aug 11, 2005
    • Robert Walker
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Subway movie/entertainment medium
    • Publication number 20040027540
    • Publication date Feb 12, 2004
    • Robert Walker
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS