ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,891, issued on Feb. 3.
"System and apparatus for providing supplemental securement of doors of bottom dump material transport containers" was invented by Jason S. Fischer (Lesterville, S.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system may include a door securing apparatus configured to selectively secure door assemblies of a hopper structure in closed positions, with the door assemblies being movable by a door assembly movement structure. The securing apparatus may include first and second structure for mounting on the door assemblies. The first and second structures may have a secured condition characterized by the first structure being e...