Patents by Inventor Christopher O. Patten

Christopher O. Patten 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).

  • Secure telephony service appliance
    Patent number: 8132001
    Abstract: Secure telephony service appliances are created from computing devices. The computing devices have restricted access to their hardware and software. The computing devices perform VOP functions to other devices such as phones, modems, and adapters. Security vulnerabilities are reduced by implementing the computing devices as secure appliances for IP telephony.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: March 6, 2012
    Assignee: Sprint Communications Company L.P.
    Inventors: Christopher O. Patten, Michael Williams