Patents by Inventor Dale H. Edwards, Jr.

Dale H. Edwards, Jr. 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).

  • Ground washer
    Patent number: 6939097
    Abstract: A ground washer is disclosed for attachment by a grounding screw to a grounding terminal. The washer device includes a disc-shaped member which defines an opening for the reception therethrough of the grounding screw. The member has an annular portion having a first and a second surface, the annular portion surrounding the opening. The annular portion cooperates with a plurality of teeth extending from the grounding terminal towards the annular portion of the member. A conical portion having a first and a second end, is disposed concentrically around the annular portion. A raised annular ridge is disposed between the annular portion and the conical portion, the ridge cooperating with the grounding screw such that when the grounding screw is turned, the ridge urges the annular portion into contact with the plurality of teeth of the grounding element. An annular flange is disposed concentrically around the conical portion, the flange mating with the grounding terminal.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: September 6, 2005
    Assignee: Illinois Tool Works, Inc.
    Inventors: Scott H. Carr, Dale H. Edwards, Jr., Eric G. Parker