Patents by Inventor K. Paul Clark

K. Paul Clark 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).

  • System and method for securing voice mail messages
    Patent number: 6741705
    Abstract: A system is provided for securing voice mail messages. The system includes a packet network and a telephony device that is coupled to the packet network. The system also includes a voice mail system that is coupled to the packet network and that receives a voice mail message from a caller attempting to communicate with a user of the telephony device. The voice mail system encrypts the voice mail message using a public key associated with the telephony device and stores the encrypted voice mail message in an open file system coupled to the packet network.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: May 25, 2004
    Assignee: Cisco Technology, Inc.
    Inventors: Mark R. Nelson, K. Paul Clark, Charles A. Munro, Jeffrey A. Sanders