Patents by Inventor Robert F. Gardner

Robert F. Gardner 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).

  • Sequential fuel injection sync pulse generator
    Patent number: 4543936
    Abstract: Sync pulses are developed in timed relation to the occurrence of an ignition event in a specified cylinder of an engine employing a concurrent discharge ignition system. Ignition voltages for compression and exhaust cylinders are distinguished on the basis of the voltage magnitudes thereof.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: October 1, 1985
    Assignee: General Motors Corporation
    Inventors: Robert F. Gardner, Bruce D. Rohn
  • Color-keyed fabric for screen printing
    Patent number: 4129076
    Abstract: Disclosed is a woven, screen printing fabric having spaced horizontal and vertical groups of threads or fibers provided with a color contrasting with the color of the fabric and spaced so that visual monitoring of these colored fibers provides a means for controlling or preventing distortion of the fabric as it is stretched over a conventional silk-screen printing frame.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: December 12, 1978
    Inventor: Robert F. Gardner