ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,709, issued on May 27, was assigned to Weigh Safe LLC (Lindon, Utah).

"Weight measuring hitch ball assembly for measuring weight of a trailer supported by a tow vehicle" was invented by Morgan McAllister (Lindon, Utah) and Emmanuel Karlsson (Orem, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A weight measuring hitch ball assembly is described. The assembly can include a hitch ball and a body portion having an opening that slidably receives a lower portion of the hitch ball. Additionally, the assembly can include a retention coupling operable with the hitch ball and the body portion to secure the hitch ball to the body portion. The retention c...