TREA

William Valls

Follow

Person

  • Harwinton, CT, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Digitizing stylus
    • Patent number D327476
    • Issue date Jun 30, 1992
    • Summagraphics Corporation
    • William Valls
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Digitizing stylus
    • Patent number D322250
    • Issue date Dec 10, 1991
    • Summagraphics Corporation
    • William Valls
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Digitizing stylus
    • Patent number D320787
    • Issue date Oct 15, 1991
    • Summagraphics Corporation
    • William Valls
    • D14 - Recording, communication, or information retrieval equipment