76447997
Sep 9, 2002
Sep 6, 2005
Integrated audio and visual systems comprised namely of audio circuit boards, audio amplifiers, video projections screen and video monitors; video and audio switches, namely audio circuit boards and video circuit boards with switch boxes; video and data display screens, video monitors, and video screens; video and audio recorders, namely video tape and audio tape recorders; systems control touch screens, namely video screens with computer cursor control devices, namely, touch pads
Electrical and Scientific Apparatus