| FERRIS FERRIS INSTRUMENT COMPANY
71571389 12 Nov 1948 | on 14 Mar 1994 | ELECTRICAL SIGNAL GENERATORS, RADIO NOISE METERS, FIELD STRENGHT METER... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods ELECTRICAL SIGNAL GENERATORS, RADIO NOISE METERS, FIELD STRENGHT METERS, POWER PACKS FORMING PART OF SIGNAL GENERATORS AND RADIO NOISE AND FIELD STRENGHT METERS, DUMMY ANTENNAS, VOLTAGE MULTIPLIERS, RADIO SIGNAL CALIBRATORS, EXPLORING PRODS AND PROBE CALIBRATION COILS, TERMINATION UNITS CONSISTING OF ATTENUATORS AND INDICATORS FOR TESTING RADIO RECEIVERS OR THE LIKE, COMBINED PICK-UP LOOP TUNERS AND AMPLIFIERS FOR FIELD STRENGTH MEASUREMENT, AMPLIFIERS FORMING PART OF MEASURING AND TESTING INSTRUMENTS, SLOTTED MEASURING LINES, AND PARTS THEREOF | | | MICROVOLTER FERRIS INSTRUMENT COMPANY
71571385 06 Nov 1948 | on 15 Feb 1993 | ELECTRICAL SIGNAL GENERATORS, AND PARTS THEREOF,ELECTRICAL SIGNAL GENE... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods ELECTRICAL SIGNAL GENERATORS, AND PARTS THEREOF | |