David M. Gauldfeldt

Person

  • Sterling, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable optical disk storage device

    • Patent number D323820
    • Issue date Feb 11, 1992
    • Magnavox Electronic Systems Company
    • David M. Gauldfeldt
    • D14 - Recording, communication, or information retrieval equipment