Patents by Inventor William C. Schaal

William C. Schaal 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).

  • Network device information exchange
    Patent number: 5276440
    Abstract: A network has a plurality of devices connected together in pairs. When a physical connection between a pair of devices is initiated, the devices exchange information regarding a unique device identifier, and details of the physical connection. This information is provided in a report to a network manager. When a failure occurs on the network, the connection information is used to locate the failure.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: January 4, 1994
    Assignee: International Business Machines Corporation
    Inventors: Charles H. Jolissaint, Ronald D. Martin, Stephen A. Owen, William C. Schaal, Gary R. Shippy, John G. Stevenson, Kian-Bon K. Sy