ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,629, issued on March 31, was assigned to QA1 Precision Products Inc. (Lakeville, Minn.).

"Differential housing" was invented by Kyle G. Tucker (Sherrills Ford, N.C.), Jeffery D. Horton (Troutman, N.C.), Christopher R. Stein-Martin (Mooresville, N.C.) and Rodney M. Sanderson (Cleveland, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Present embodiments relate to a differential case. More specifically, but without limitation, present embodiments relate to a differential case which will function with differential components of two sizes and a rear axle housing of a different intended size."

The patent was filed on June 5, 2024, under Application...