ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,653, issued on Jan. 28.
"Trailer hitch" was invented by James Nagy (Cheboygan, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer hitch apparatus is disclosed. The apparatus includes a tubular receiving member, a base, an arm extending from the base, a first tow ball having a threaded shaft, and a second tow ball having a threaded opening configured to selectively couple to the threaded shaft of the first tow ball. The tubular receiving member is configured to be removably attached to a vehicle. A retainer assembly is configured to be selectively engage the first tow ball."
The patent was filed on Feb. 23, 2022, under Application No. 17...