Patents by Inventor William Charles Clark

William Charles Clark 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).

  • Twin impression push nut
    Patent number: 6220806
    Abstract: A push nut fastener has first and second gripping openings. The first gripping opening is substantially circular and the second gripping opening is substantially rectangular. The substantially circular gripping opening has a plurality of blades or finger-like engagement portions extending from the outer circumference of the substantially circular gripping opening towards the center of the substantially circular gripping opening. The substantially rectangular gripping opening has a plurality of blades or finger-like engagement portions extending from the outer perimeter of the substantially rectangular gripping opening towards the center of the substantially rectangular gripping opening. The substantially rectangular gripping opening includes at least two blades or finger-like engagement portions, a respective blade extending from each of two opposing sides of the substantially rectangular gripping opening. The push nut may have flanges formed at two opposing ends of the member.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: April 24, 2001
    Assignee: Avaya Technology Corp.
    Inventors: James Stephen Chapman, William Charles Clark, Jeffrey Dale Nielson, Ross Job Thompson