Patents by Inventor Gary Crook

Gary Crook 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).

  • Communication apparatus and method
    Patent number: 5517564
    Abstract: Method and apparatus are provided for transmitting calls generated by a first communication network over a second communication network to a third communication network wherein the first communication network operates in accordance with a first communication protocol which enables call services, the third communication network operates in accordance with a communication protocol which enables at least one of the call services enabled by the first communication protocol and the second communication network operates according to a second communication protocol different from the first.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: May 14, 1996
    Assignee: British Telecommunications public limited company
    Inventors: Martin Slater, Gary Crook