Patents by Inventor Peter M. Tunbridge

Peter M. Tunbridge 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).

  • Method of manufacturing an insulated-gate field-effect transistor
    Patent number: 4408384
    Abstract: An insulated-gate field-effect transistor is disclosed which is particularly suitable for forming high-frequency transistors for a common source circuit configuration.
    Type: Grant
    Filed: August 12, 1982
    Date of Patent: October 11, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Royce Lowis, Peter M. Tunbridge