Patents by Inventor Russell Sumerau

Russell Sumerau 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: 4334390
    Abstract: An electrically driven motor operated belt sander is provided having a low profile and a center of gravity close to the sanding plane by passing the belt about three generally triangularly located belt drums with the motor disposed within the belt path and the motor and support mechanism being mounted to a one-piece frame or bracket which hangs the entire drive and support mechanism from the tool housing, the one-piece frame or bracket including a wear plate or strip which provides positive protection for the wiring between the operating trigger switch and the motor.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: June 15, 1982
    Assignee: The Singer Company
    Inventor: Russell Sumerau