U.S. federal trademark · Serial No. 71627951 · Reg. No. 0582719
INSTRUMENT THAT IS A NARROW-BAND SWEEPING OSCILLATOR FOR USE WITH AN OSCILLOSCOPE IN DEFINING THE PASS BAND CHARACTERISTICS OF AMPLIFIERS AND FILTERS BY PROVIDING A NARROW FREQUENCY SWEEP WHICH CAN BE CENTERED AT FREQUENCIES FROM 10 TO 200 KILOCYCLES AND DEVELOPS MARKER PIPS WHICH ARE INDEPENDENT OF THE AMPLIFIER CIRCUITS UNDER TEST AND OTHER USES
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.