Patents by Inventor Mark A. Cossack

Mark A. Cossack 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).

  • Border node having routing and functional capability in a first network and only local address capability in a second network
    Patent number: 5241682
    Abstract: A method and apparatus for interconnecting multiple data processing networks, each data processing network including: multiple network nodes having routing and functional capability within a data processing network; and, multiple endpoint nodes, each including only local address capability. Each network node may be connected to multiple endpoint nodes and other network nodes; however, connection is only permitted to network nodes within the same data processing network. A border node is established for interconnection between two data processing networks. The border node includes a network node interface having routing and functional capability within a first data processing network and an endpoint node interface having local address capability.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: August 31, 1993
    Assignee: International Business Machines Corporation
    Inventors: David B. Bryant, Mark A. Cossack, Dennis J. Frett, Harold A. Himwich, Lap T. Huynh, John E. McGinn