Patents by Inventor Louis A. Razzetti

Louis A. Razzetti 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).

  • High power resistor
    Patent number: 3955169
    Abstract: A thick film spiral shaped resistor deposited on an alumina substrate and bonded to a Kovar plate, an aluminum heat sink is coated on one side with a silicon grease and the Kovar plate is bolted thereto.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: May 4, 1976
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Charles S. Kerfoot, Frank A. Halgas, Louis A. Razzetti, Gene A. Di Gennaro