Patents by Inventor Laurence M. Ellefson

Laurence M. Ellefson 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: 4976450
    Abstract: A mechanic's mobile tool chest comprising: a plurality of cantilevered horizontal pivotal tool trays mounted on a chest containing a plurality of drawers enclosed within inwardly recessed top, rear, and side panels. The top panel having a top opening, with the rear and side panels having an outside and top opening. The tool trays are pivotally mounted on posts which are vertically extendible from corners of the chest for positioning the tool trays in an elevated position over vehicle fenders or similar structures. A plurality of cantilevered, horizontal pivotal arms are also mounted on the posts for mounting articulating lamps to illuminate a working area. The chest is mounted on a base with a plurality of wheels and a counterweight attached to prevent over-turn during normal operating conditions with the pivotal tool trays extended. The tool chest may also comprise a door which opens to approximately 260 degrees from either side with inside recessed stowage trays.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: December 11, 1990
    Inventor: Laurence M. Ellefson