Patents by Inventor Dean W. Wong

Dean W. Wong 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 for providing a device level security mechanism in a network
    Patent number: 6700891
    Abstract: A method and apparatus for filtering a packet in a network is disclosed. The packet includes a packet header and packet data. The packet is intercepted. It is then determined if an access list exists for the packet, the access list including filtering criteria that dictates filtering of the packet in accordance with contents of the packet data. If no access list is determined to exist for the packet, the packet is forwarded. However, if an access list is determined to exist for the packet, the packet is filtered in accordance with the filtering criteria stored in the access list.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: March 2, 2004
    Assignee: Cisco Technology, Inc.
    Inventor: Dean W. Wong