Patents by Inventor Gene R. Center

Gene R. Center 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).

  • Escalator sweeping mechanism
    Patent number: 4709441
    Abstract: A sweeper assembly for use with escalators includes a frame having a pivoted end structure on which a weighted bar is fixed to press a polishing pad adjacent a bristle element against the moving surfaces of the escalator. A vacuum cleaner is then rendered operative to draw the debris thus loosened into a nozzle deployed adjacent the bristle element.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: December 1, 1987
    Assignee: R. E. Baker Company, Inc.
    Inventor: Gene R. Center