U.S. federal trademark · Serial No. 98573956
(Based on Use) Amplifiers (Based on Intent to Use) Transformers; Electronic components in the nature of audio input and output transformers; operational amplifier kits comprised of generic resistors, diodes, capacitors, transistors and printed circuit boards; fully assembled operational amplifiers, and microphone preamplifier kit comprised of generic resistors, diodes, capacitors, transistors, switches and printed circuit boards; and fully assembled microphone preamplifiers; Pre-amplifiers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.