Patents by Inventor Marcel T. Bergeron

Marcel T. Bergeron 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).

  • Photoconductive semiconductor control device
    Patent number: 5596209
    Abstract: The present invention provides a radiant energy activated semiconductor control device having N+ ion implanted regions exposed to the radiant energy for switching purposes.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: January 21, 1997
    Assignee: Lockheed Sanders, Inc.
    Inventors: Peter L. D. Chang, Marcel T. Bergeron