U.S. federal trademark · Serial No. 74705919 · Reg. No. 2149633
microwave tubes, klystrons, traveling-wave tubes, magnetrons, crossed-field amplifiers, inductive output tubes, gyrotrons, millimeter-wave tubes, receiver protectors and duplexers, power grid tubes, microwave amplifiers, modulators and power supplies
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.