73824795
Sep 11, 1989
Oct 23, 1990
TELECOMMUNICATIONS EQUIPMENT, NAMELY SYSTEMS AND UNITS FOR USE IN TRAINING PERSONS TO IMPROVE THEIR TELEPHONE SKILLS AND TO USE TELEPHONE SYSTEMS PROPERLY, EFFECTIVELY AND EFFICIENTLY, SUCH SYSTEMS AND UNITS COMPRISING SOME OR ALL OF THE FOLLOWING COMPONENTS; TELEPHONES, AUDIO CASSETTE TAPE RECORDERS, TRANSFORMER UNITS, CONNECTING AND EXTENSION CABLES, CABLE JUNCTION BOXES, CABLE ADAPTORS, AMPLIFIERS, LOUDSPEAKERS, HEADPHONES AND CONTROL UNITS
Electrical and Scientific Apparatus