ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,388, issued on June 10, was assigned to Tractor Supply Co. (Brentwood, Tenn.).
"Trailer jack" was invented by Christian Fogg (Columbia, Tenn.), Ty Rager (Brentwood, Tenn.) and Nick Ni (Jinjua, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer jack comprising a vertically oriented vertically extendible jack and a mounting flange located on the jack. The mounting flange includes three bolt patterns. Each of the three bolt patterns includes a forward slot and two rear slots defined through the mounting flange. Each slot includes a longitudinal axis. The longitudinal axes of the slots of any single bolt pattern intersect at a bolt pattern a...