Patents by Inventor Frederick O. R. Misterfeld

Frederick O. R. Misterfeld 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).

  • Electronic circuit controller for windshield wiper drive motor
    Patent number: 4158159
    Abstract: A windshield wiper drive motor and washer pump motor control system providing a selection of intermittent wipe and continuous wiping actions. The intermittent wipe mode of operation features selectable variable delay periods between successive wiping cycles, a first wipe-before-delay mode of operation and a wipe-after-wash mode of operation which affords at least one extra wiping cycle of the motor after release of the wash switch.This application is a continuation of application Ser. No. 792,379, filed Apr. 29, 1977, now abandoned.
    Type: Grant
    Filed: April 5, 1978
    Date of Patent: June 12, 1979
    Assignee: Chrysler Corporation
    Inventors: Stephen J. Orris, Frederick O. R. Misterfeld