US Patent Issued to Spencer J. Lambeth on Dec. 30 for "Manhole marker assembly" (Georgia Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,841, issued on Dec. 30, was assigned to Spencer J. Lambeth (Sandy Springs, Ga.).

"Manhole marker assembly" was invented by Spencer J Lambeth (Sandy Springs, Ga.) and Frank Joseph Sinapi (Oxford, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manhole marker assembly for attaching to a manhole cover to identify a manhole comprises a marker assembly base, a marker mounted to the marker assembly base, and a clamp mounted to the marker assembly base. The clamp comprises a first jaw and a second jaw. At least one of the first jaw and the second jaw are movable and can be engaged to a manhole cover to attach the manhole marker assembly to the manhole...