ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,426, issued on Feb. 10, was assigned to Siemens Mobility Inc. (New York).

"Crossing gate mechanism with integrated maintenance status alarm" was invented by Richard C. Bohme (Louisville, Ky.) and James Dobson (Louisville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crossing gate mechanism includes an enclosure housing multiple electric and electronic components including a control unit for operating the crossing gate mechanism and associated crossing gate arm, a cover for opening and closing the enclosure, wherein the cover is moveable between a closed position and an open position, an operating mode switch, wherein a first position of the ...