Patents by Inventor Frank Sturgis

Frank Sturgis 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).

  • Accessory for electric drill
    Patent number: 4462728
    Abstract: Elongated handle having a threaded spindle for engagement with a threaded aperture in the side of the body of an electric drill and a gear mounted on the same end of the handle for engagement with the geared chuck used with the drill.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: July 31, 1984
    Inventor: Frank Sturgis