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Marilyn K. Roberts

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Creative assessment method
    • Patent number 5,658,161
    • Issue date Aug 19, 1997
    • School Dis. #1 in the City & County of Denver, State of Colorado
    • Marilyn K. Roberts
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reversible test booklet and answer sheet
    • Patent number 5,522,732
    • Issue date Jun 4, 1996
    • School Dist. #1 in the City and Co. of Denver, CO
    • Marilyn K. Roberts
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS