Patents by Inventor William N. Cain

William N. Cain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ballistic electron, solid state cathode
    Patent number: 5359257
    Abstract: A majority carrier, solid state cathode uses ballistic behavior to provide a highly coherent (and modulated) electron beam, with a large current density and expected efficiencies greater than fifty percent.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: October 25, 1994
    Inventors: Kyle J. Bunch, William N. Cain, Richard W. Grow