ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,837, issued on June 23, was assigned to Tramec LLC (Shawnee, Kan.).

"Shore power connection alert system for an over-the-road vehicle" was invented by Kevin Cornelius (Lees Summit, Mo.), Alec Michael Holm (Holland, Mich.) and Chris Kline (Allendale, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shore power alert system for an over-the-road (OTR) vehicle. The OTR vehicle has a cab, a cargo area, and parking brake system with a parking brake and a compressed air source. The OTR vehicle is coupled to a shore power connection. The shore power connection alert system has a first solenoid valve, a compressed air inlet line, a compressed air outle...