About 4 Trademarks found that are owned by Fredericks Company The

analog and microprocessor-based digital controllers, thermocouple sensor tube filters, process control relays; diaphragm gauge sensors; thermocouple gauge sensors, convection gauge sensors, cold cathode gauge sensors, hot cathode gauge sensors all for measuring, indicating or recording vacuums and all for research and development, laboratory and manufacturing purposes

electrolytic tilt sensors

instruments for measuring vacuum

THERMOCOUPLE GAUGES, IONIZATION HOT FILAMENT GAUGES, IONIZATION COLD CATHODE GAUGES, PRESSURE CONTROL SWITCHES AND CALIBRATION STANDS, THE SAID GAUGES BEING VACUUM GAUGES USED FOR THE MEASUREMENT AND/OR CONTROL OF PRESSURES IN THE RANGE OF 300 MILLIMETERS OR LESS, AND IONIZATION GAUGE TUBES, COLD CATHODE GAUGE TUBES AND THERMOCOUPLE GAUGE TUBES, THE SAME BEING THE PRIMARY SENSING ELEMENTS ASSOCIATED WITH THE GAUGES ABOVE MENTIONED, AND FOR A VACUUM THERMOCOUPLE BULB WHICH IS UTILIZED FOR THE MEASUREMENT OF HIGH FREQUENCY CURRENT