Patents by Inventor Everett C. Smith

Everett C. Smith 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).

  • Patent number: 3971870
    Abstract: This patent discloses a method for making junction-type semiconductor devices in which dopant is introduced into a wafer from a prefabricated source film.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: July 27, 1976
    Assignees: Semi-Elements, Inc., Solitron Devices, Inc.
    Inventors: Ralph W. Christensen, Everett C. Smith, George Tibol