Brian W. Torvik

Person

  • McFarland, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Compact data input device

    • Patent number 5,521,986
    • Issue date May 28, 1996
    • American Tel-A-Systems, Inc.
    • William J. Curtin
    • G06 - COMPUTING CALCULATING COUNTING