Patents by Inventor Dale J. Thompson

Dale J. Thompson 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).

  • Baro data indicator
    Patent number: 4319487
    Abstract: Avionics apparatus for providing to a pilot readings of temperature, pressure altitude, and density altitude. Sensors provide electrical signals responsive to ambient temperature and pressure, and a functional module operates on signals derived from said sensors to provide signals indicative of the pressure altitude and density altitude. A multiplexer and display respond to a mode selection switch to provide visual readouts of temperature in degrees Fahrenheit and in degrees Celsius, and altitude.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: March 16, 1982
    Assignee: Dale J. Thompson
    Inventors: Wayne C. Haase, Dale J. Thompson