Patents by Inventor Frank Westbrook Dain

Frank Westbrook Dain 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).

  • Modem protocol
    Patent number: 6141403
    Abstract: When two 56K server modems communicate with one another over the public switched telephone network, they signal each other so that they communicate data to each other in a digital pass-through mode whereby essentially there is a direct digital connection between the two modems. This is accomplished by using extended ITU-T Recommendation V.8 protocols.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: October 31, 2000
    Assignee: International Business Machines Corporation
    Inventors: Charles Bruce Dillon, Frank Westbrook Dain, Laurence Victor Marks, Sandra Rhodes