Karla DiGrazia

Person

  • Burlingame, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Interactive play with a computer

    • Patent number 5,855,483
    • Issue date Jan 5, 1999
    • Compaq Computer Corp.
    • Roger Collins
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS