U.S. federal trademark · Serial No. 73383753 · Reg. No. 1256706
Amateur Radio Instrumentation, Specifically R-X Noise Bridges; Receiver Preamplifiers; Antennas; Antenna Tuner; VLF Converters; Transmitters; Loop Antennas; Antenna Baluns; Electronic Keyers; and Standing Wave Ratio Meters; and Audio Tone Control Equipment, Specifically: Tone Encoders; Tone Decoders; Digit Sequencers; and Decoder Relay Latches
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.