Patents by Inventor Nicholas M. Stapleton

Nicholas M. Stapleton 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).

  • Hub system with ring arbitration
    Patent number: 6330245
    Abstract: A data network hub unit is stackable with other such units to constitute a hub in which each of the units can supply data packets to network data destinations and receive data packets from network data sources, and to form a closed data transmission ring which enables packets received at any unit to be transmitted from any other unit. The hub unit includes arbitration control means responsive to packet headers circulating on said ring.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: December 11, 2001
    Assignee: 3Com Technologies
    Inventors: Steven Brewer, Nicholas M. Stapleton, Christopher A. Walker