73753726
Sep 23, 1988
Jun 18, 1991
BATTERY CHARGERS AND TESTERS; TELEPHONE TRANSMITTERS AND RECEIVERS; TELEPHONE CONFERENCE UNITS; ALARMS AND ELECTRIC BELLS FOR USE IN RESIDENTIAL AND COMMERCIAL PROPERTY; ELECTRONIC WEIGHING, MEASURING, AND COUNTING SCALES AND GAUGES; CALCULATORS; ELECTRIC SWITCHES; ELECTRICAL LOSS INDICATORS; GROUND FAULT INTERRUPTORS; CIRCUIT BREAKERS; ELECTRIC CONVERTORS; ELECTRONICALLY OPERATED DETECTORS; ELECTRONIC FISH BITE DETECTORS
Electrical and Scientific Apparatus