Patents by Inventor Joseph W. Coates

Joseph W. Coates 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).

  • Multiport LAN bridge
    Patent number: 5448565
    Abstract: A multiport bridge includes a plurality of Bridge Port Frame Handler (BPFH) units coupled through a Source Routing bus and a Transparent Bridge Bus to a microcontroller, a Packet Memory and a Transparent Bridge Control Management System (TBCMS). Each Bridge Port Frame Handler unit receives Frames from its attached LAN, forwards selected portions of Source Routing Frames to other Bridge Port Frame Handler Units for further processing. Likewise, selected portions of Transparent Bridge Frames are forwarded to the TBCMS whereat routing information and signature information is extracted and returned to the forwarding BPFH unit for further processing.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: September 5, 1995
    Assignee: International Business Machines Corp.
    Inventors: Paul Chang, Joseph W. Coates, Edward H. C. Ku, Simin H. Sanaye