Patents by Inventor Liu Changwen

Liu Changwen 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).

  • Publication number: 20060089121
    Abstract: A device is disclosed. The device includes a virtual private network (VPN) to automatically retrieve user VPN credentials and to automatically establish a VPN using the credentials whenever a network connection is established to a network access point.
    Type: Application
    Filed: October 27, 2004
    Publication date: April 27, 2006
    Inventors: Hani Elgebaly, Mike Andrews, Ranjit Narjala, Liu Changwen