Patents by Inventor Robert J. Halverson

Robert J. Halverson 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).

  • Electrical terminal cleaning device
    Patent number: 4204294
    Abstract: A cleaning device comprises a handle member and one or more brushes, each brush having an abrasive bristle end. Each brush is mounted on the handle member for independent pivotal movement relative to the handle member between an operative position in which the abrasive bristle end extends outwardly of the handle member for use and an inoperative position in which the abrasive bristle end is contained within the confines of the handle member for storage.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: May 27, 1980
    Inventor: Robert J. Halverson