U.S. federal trademark · Serial No. 72188996 · Reg. No. 246913
WATTMETERS, [ INTEGRATING WATTMETERS, ] PHASE METERS, FREQUENCY METERS, AMMETERS, VOLTMETERS, WAVE MEASURING METERS, OSCILLATORS, MAGNETIC MEASURING METERS, ANTENNA METERS, RESISTANCE MEASURING METERS, CAPACITY MEASURING METERS, TUBE TESTERS, [ AVOMETERS, ] OSCILLOGRAPHS, FILTERS, [ STRAIN METERS, MICROSCOPES, PHOTO-ELASTICITY INSTRUMENTS, ] POLARIZING PLATES, [ POLARIZING TEACHING TOOLS, CONSTANT TEMPERATURE OVENS, ] FURNACES FOR EXAMINATION, [ TELESCOPES, PRISMS, MAGNIFYING GLASSES, CAMERAS, FLASHING APPARATUS, ] MOVING PICTURE CAMERAS, MOVING PICTURE PROJECTORS, THERMOMETER, [ BALANCES, ] REVOLUTION INDICATORS, SPEED METERS, [ PHOTOMETERS, ] FLOW METERS, AUTOMATIC HEAT REGULATORS, AUTOMATIC VACUUM REGULATORS, [ PROGRAM REGULATORS, ] MATERIAL TESTING MACHINES, SURVEYING INSTRUMENTS
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.