Patents by Inventor John C. Hastings

John C. Hastings 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).

  • Film resistors
    Patent number: 4563564
    Abstract: A resistor formed by a film of resistive material deposited on a dielectric substrate is trimmed by removing resistive material along a line such that the film is divided into at least two discrete areas, one, and only one, of which areas includes two terminal portions of the film.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: January 7, 1986
    Assignee: Tektronix, Inc.
    Inventors: Bret Ericsen, John C. Hastings, Desmond L. Murphy, Scott Jansen