ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,711, issued on May 27, was assigned to PRO PRIDE INDUSTRIES INC. (Holly, Mich.).
"Jack assembly for trailer hitch" was invented by Sean Woodruff (Grand Blanc, Mich.) and Wesley Franklin Mishler (Byron, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hitch assembly includes a jack assembly that includes a base that includes a frame rail passage. A telescoping assembly that extends along a central longitudinal axis includes an outer tube fixed to the base. An inner tube moveable along the central longitudinal axis within the outer tube to adjust a length of the telescoping tube assembly. A link assembly includes a first spherical end link attac...