U.S. federal trademark · Serial No. 73193937 · Reg. No. 1140676
Electronic and Electro-Mechanical Telephone Switching and Control Systems Comprising Subscriber Line Telephone Signal Sensors, Transmitters, Switchers and Memories, and Programmable Data Processors for Controlling Such Units
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.