1
William C Crager, Sudhindra R Umarji, Robert H Griffin, Gerard J Louit: Packet-switched data communications system. International Telephone and Telegraph Corporation, John T O Halloran, Jeffrey P Morris, November 15, 1977: US04058672 (196 worldwide citation)

A packet-switched digital data communication system operable in a store-and-forward mode is provided for enabling substantially simultaneous full-duplex communication between a plurality of telecommunications terminals, facsimile transceivers or other data input sources over a communications network ...


2
William C Crager, Sudhindra R Umarji, Robert H Griffin, Gerard J Louit: Packet-switched facsimile communications system. International Telephone and Telegraph Corporation, John T O Halloran, Jeffrey P Morris, November 15, 1977: US04058838 (104 worldwide citation)

A packet-switched facsimile communication system operable in a store-and-forward mode is provided for enabling substantially simultaneous full-duplex communication between a plurality of telecommunications terminals, such as facsimile transceivers, over a communications network with a plurality of o ...


3
William C Crager, Sudhindra R Umarji, Robert H Griffin, Gerard J Louit: Packet-switched data communication system. International Telephone and Telegraph Corporation, John T O Halloran, Thomas N Twomey, March 15, 1983: USRE031182

A packet-switched digital data communication system operable in a store-and-forward mode is provided for enabling substantially simultaneous full-duplex communication between a plurality of telecommunications terminals, facsimile transceivers or other data input sources over a communications network ...