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Milagros C. Orsini

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  • New York, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    ECO set didactic blocks/cubes
    • Patent number 4,643,683
    • Issue date Feb 17, 1987
    • Milagros C. Orsini
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS