Patents by Inventor Emmett C. Russell

Emmett C. Russell 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: 5812052
    Abstract: An actuating device for operating a safety unit mounted on a vehicle which includes a motor having an output shaft, a movable support for supporting the safety unit and moving it between its retracted and extended positions, and a non-mechanical switch arrangement that includes a pair of beam generators and sensors located in the path of the beams, and a plate for interrupting the beam and generating one control signal, and permitting passage of the beam to the sensor to generate another control signal. A control circuit is provided to operate the motor and movable support between its retracted and extended positions in response to the sensor's signals.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: September 22, 1998
    Assignee: Specialty Manufacturing Company
    Inventors: Eric D. Swanger, Emmett C. Russell, Michael E. Liedtke, Mark R. Albrecht