Patents by Inventor David R. Browning

David R. Browning 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).

  • Patent number: 4390784
    Abstract: The ion accelerator for an ion mobility detector cell is comprised of a ceramic tube coated inside with a thick film resistor composition across which a voltage potential difference is impressed to provide an ion accelerating electrical field gradient within the tube.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: June 28, 1983
    Assignee: The Bendix Corporation
    Inventors: David R. Browning, Gordon R. Sima, Jr., John C. Schmidt, David W. Sickenberger