Patents by Inventor Wilson Sawyer

Wilson Sawyer 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).

  • Apparatus and method of maintaining state in a data transmission system
    Publication number: 20040223508
    Abstract: An apparatus and method of maintaining state information for a network device changing from a first channel (in communication with a first base unit) to a second channel (in communication with a second base unit) communicates with at least one of the first base unit and an intermediate network device to ascertain the state information. Once the state information is ascertained, it is applied to the communication of the network device with the second base unit. Both the first and second base units are independently operable network devices in a data transmission network.
    Type: Application
    Filed: June 16, 2004
    Publication date: November 11, 2004
    Applicant: Nortel Networks Limited
    Inventors: Wilson Sawyer, John M. Ulm
  • Apparatus and method of maintaining state in a data transmission system
    Patent number: 6765925
    Abstract: An apparatus and method of maintaining state information for a network device changing from a first channel (in communication with a first base unit) to a second channel (in communication with a second base unit) communicates with at least one of the first base unit and an intermediate network device to ascertain the state information. Once the state information is ascertained, it is applied to the communication of the network device with the second base unit. Both the first and second base units are independently operable network devices in a data transmission network.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 20, 2004
    Assignee: Nortel Networks Limited
    Inventors: Wilson Sawyer, John M. Ulm
  • Method and apparatus providing a cable modem management and provisioning system
    Patent number: 6487592
    Abstract: A method and apparatus for allowing HTTP communication between a first device and a second device, the second device executing an HTTP shell acting as a relay, to relay HTTP requests from the first device to a third device for response. The third device communicates with the second device over SNMP and stores web pages and other information for generating HTTP responses to the first device.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: November 26, 2002
    Assignee: Nortel Networks Limited
    Inventors: Wilson Sawyer, Gerry White
  • Method and apparatus for initialization of a cable modem
    Patent number: 6230326
    Abstract: A method and apparatus for initialization and operation of cable modems comprising initializing the cable modems over management channels and transferring the cable modems to a data channel for operation. Initialization over a management channel overcomes certain prior art constraints associated with initialization over the data channel.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: May 8, 2001
    Assignee: Nortel Networks Limited
    Inventors: J. David Unger, John Ulm, Eugene E. O'Neil, Jr., Wilson Sawyer