Patents by Inventor Paul Liesenberg

Paul Liesenberg 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).

  • Method and apparatus for data transport using label switching
    Patent number: 7289622
    Abstract: A method including receiving a call connection request message having a prefix number and determining a corresponding IP address based on the prefix number. Then, assigning a label based on the corresponding IP address. Further, routing the call connection request message based on the label. An apparatus implementing the method described above.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: October 30, 2007
    Assignee: Cisco Technology, Inc.
    Inventor: Paul Liesenberg
  • Method and apparatus for transporting data using label switching
    Patent number: 7046786
    Abstract: A method including receiving a call connection request message having a prefix number and determining a corresponding IP address based on the prefix number. Then, assigning a label based on the corresponding IP address. Further, routing the call connection request message based on the label. An apparatus implementing the method described above.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: May 16, 2006
    Assignee: Cisco Technology, Inc.
    Inventor: Paul Liesenberg
  • METHOD AND APPARATUS FOR TRANSPORTING DATA USING LABEL SWITCHING
    Publication number: 20030202647
    Abstract: A method including receiving a call connection request message having a prefix number and determining a corresponding IP address based on the prefix number. Then, assigning a label based on the corresponding IP address. Further, routing the call connection request message based on the label. An apparatus implementing the method described above.
    Type: Application
    Filed: October 19, 1999
    Publication date: October 30, 2003
    Inventor: PAUL LIESENBERG