Patents by Inventor Theresa I. Bates

Theresa I. Bates 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).

  • Semiconductor thyristor device having integral ballast means
    Patent number: 4292646
    Abstract: A semiconductor thyristor device having a cathode region and an anode region comprises ballast means adjacent thereto. The device further comprises first and second electrode means which are positioned such that only the cathode region and the anode region respectively are contacted thereby. The present structure is compatible with conventional device structures.
    Type: Grant
    Filed: January 7, 1977
    Date of Patent: September 29, 1981
    Assignee: RCA Corporation
    Inventors: Jacques M. Assour, Theresa I. Bates, John R. Bender, John M. S. Neilson