Patents by Inventor William M. Plummer

William M. 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).

  • HDSL modules for telecommunications channel unit cards
    Patent number: 6208664
    Abstract: A telecommunications channel unit card including a subscriber bus interface for communicating subscriber bus signals with a digital loop carrier matrix, wideband channels for communicating wideband telecommunications signals with the subscriber bus interface and an external network, and at least one high-bit-rate digital subscriber line (HDSL) module capable of being coupled selectively to at least one of the wideband channels to facilitate HDSL-based communications between the telecommunications channel unit card and the external network.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: March 27, 2001
    Assignee: Alcatel USA Source L.P.
    Inventors: William M. Plummer, Rudolph B. Klecka, III