Patents by Inventor Roy Emery Hanzel

Roy Emery Hanzel 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 of establishing a call using wireless and wireline integration through a telecommunication switch
    Patent number: 6732174
    Abstract: An integrated wireless and wireline telecommunication switch. The switch includes peripheral modules having both wireless and wireline peripheral devices. The switch also includes wireless and wireline software load. An aspect table allows the wireless and wireline software load within the switch to be executed within a single call without creating direct dependencies on each other. The switch allows new and more efficient connections between wireless and wireline subscribers. In many cases wireless and wireline subscribers having direct access to the switch can connect without using any other switches in the network.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: May 4, 2004
    Assignee: Nortel Networks Limited
    Inventors: Chandrakant Gundecha, William David Gentry, Roy Emery Hanzel, C. Michael Brown, Sanjay Bhatia, David Anthony Gallagher