U.S. federal trademark · Serial No. 72093558 · Reg. No. 511
Signal Generators, Oscillators, Frequency Meters, Oscilloscopes, Vacuum Tube Voltmeters, Capacitor Checkers, Inductance Checkers, Tube Testers, and Circuit Testers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.