ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,930, issued on Feb. 24, was assigned to ORBIS Corp. (Oconomowoc, Wis.).

"Detachable dolly training connector" was invented by Benjamin J. Thompson (Watertown, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a detachable dolly training connector. The connector includes a first detachable connector for connecting to a first mobile platform or dolly, coupled to a second detachable connector for connecting to a second mobile platform or dolly. The first detachable connector can include an expandable and retractable pin arrangement. The second detachable connector can include a clamp."

The patent was filed on Feb. 2, 202...