Patents by Inventor Paul Spencer Dawkins

Paul Spencer Dawkins 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).

  • Storing information about a telephony session
    Patent number: 6778653
    Abstract: A communications system includes nodes and terminals capable of being involved in a telephony session. Telephony cookies may be created in telephony sessions between a calling terminal and a called terminal. The telephony cookies may be created by the called terminal and sent to the calling terminal for storage. Contents of the telephony cookie may include identifiers of the calling terminal and the called terminal. Other contents may include the date and time the cookie was created, expiration data and time of the cookie, and a data field that can store other types of information relating to telephony sessions.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: August 17, 2004
    Assignee: Nortel Networks Limited
    Inventors: Michel Kallas, James Michael Lyell, Paul Spencer Dawkins