ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,292, issued on July 28, was assigned to Tower Manufacturing Corp. (Providence, R.I.).

"Dual-mode ground-fault/leakage-current interrupter (GFCI/LCDI) interrupter and self-test/end-of-life (STEOL)" was invented by Victor V Aromin (West Warwick, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-mode ground-fault/leakage-current interrupter (GFCI/LCDI) is disclosed. The device uses a single differential sense transformer around line and neutral to detect ground-fault (differential) conditions, and a cord-shield path to detect conductor-to-shield leakage and shield-integrity (open/high-resistance) faults. Shield continuity is supervised by dete...