U.S. federal trademark · Serial No. 88695821 · Reg. No. 6209001
Power grid protection device composed primarily of a switched grounding connection being one or more circuit breakers in series, circuit blocking component being a capacitor positioned parallel to the switch grounding connection, and DC current and power harmonic electronic sensing control circuit for detection of a DC current and quasi-DC current intended to provide a solid AC electrical ground and to block induced DC electric currents
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.