ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,159, issued on Oct. 28.
"Pivoting trailer hitch" was invented by Ryan E. A. S. Shaffer (Three Rivers, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer coupling mechanism includes a first end, a second end, a height adjustment assembly, a first swivel assembly, and a second swivel assembly. The first end is adapted to couple to one of a trailer and a vehicle. The second end is adapted to couple to the other of the trailer and the vehicle. The height adjustment assembly is coupled between the first and second ends and is operative to adjust the relative height between the first and second ends. The first swivel assembly is coupled betwee...