Patents by Inventor William R. Plummer

William R. Plummer 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).

  • High speed connector and circuit board interconnect
    Patent number: 6368120
    Abstract: An electrical connector assembly includes a printed circuit board having signal traces and at least one ground trace. The ground trace includes a ground contact pad positioned adjacent an edge of the printed circuit board. A surface mount pin header is connected to the signal traces of the printed circuit board. The connector for receiving the contact pins of the pin header includes a contact beam for contacting the ground trace adjacent the edge of the printed circuit board.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: April 9, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Richard J. Scherer, William R. Plummer, Wing C. Chow