73018314
Apr 8, 1974
Jul 20, 1976
TELEVISIONS; ELECTRONIC CALCULATORS; WEATHER STATIONS-NAMELY, WINDSPEED AND DIRECTION, BAROMETRIC PRESSURE AND INDOOR AND OUTDOOR TEMPERATURE MEASURING INSTRUMENTS; THERMOMETERS; ELECTROSTATIC AIR PURIFYING MACHINES; ULTRASONIC CLEANERS; HOME SECURITY SYSTEMS-NAMELY, SMOKE, HEAT AND INTRUSION DETECTORS AND ALARMS; AUTOMOTIVE TEST EQUIPMENT-NAMELY, IGNITION ANALYZERS, ENGINE ANALYZERS, DWELL METERS, TACHOMETERS, BATTERY CHARGERS, VOLTAGE-REGULATORS TESTERS AND STROBOSCOPIC TIMING LIGHTS; RADIO REMOTE CONTROL TRANSMITTERS AND RECEIVERS; MAGNETIC RECORDING TAPES; AND METAL LOCATORS
Electrical and Scientific Apparatus