Patents by Inventor Kenneth L. Leonard

Kenneth L. Leonard 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).

  • Liquid gaging system self test circuitry
    Patent number: 4337638
    Abstract: The present invention is part of a liquid gaging system and comprises an apparatus for self testing the system. Included is an excitation signal generator apparatus for providing an excitation signal and a precision reference component for providing a precise electrical load. The invention also comprises apparatus for monitoring the precision reference component. Also included is apparatus for connecting the precision reference component to the excitation signal generator apparatus and to the apparatus for monitoring.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: July 6, 1982
    Assignee: Honeywell Inc.
    Inventors: Kenneth L. Leonard, Dwight D. Colby, William R. Dougherty, Jerome A. Fahley, Martin J. van Dyke