74324685
Oct 21, 1992
Nov 15, 1994
computer programs for use in the field of audio or video teleconferencing or any combination thereof; and for use in the field of data transmission by way of personal computers during teleconferencing
Electrical and Scientific Apparatusoperation of audio, video and/or data teleconferencing facilities or any combination thereof
Telecommunicationstechnical consulting in the design, installation and operation of teleconferencing systems
Computer and Scientific