74402044
Jun 11, 1993
Jun 3, 1997
wireless telephones; PBX and key systems comprising telephones and telecommunication switches for switching voice, data, image and video signals, antennas, wireless and corded terminals, wireless data devices and terminals for transmitting and receiving voice, data, image and video signals, display handsets, radio module software for managing communications operations, AC adapters, carrying case, and power cord; base stations, namely transmitters, receivers, multiplexors, demultiplexors, modulators and demodulators; headsets, namely headsets for use with telephones; and related equipment, namely charging cradles, battery packs, adapters, carrying cases, batteries, and power cords
Electrical and Scientific Apparatus