ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,721, issued on Feb. 10, was assigned to PEK AUTOMOTIVE D.O.O. (Logatec, Slovenia).
"Agricultural sprayer" was invented by Mikhail Kostkin (Vrhnika, Slovenia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The agricultural sprayer includes a base with two vertical guides fixed thereon and carriages mounted on and capable of traveling along said guides. A ducted fan is turnably mounted on axles between the carriages. The inner surface of the fan duct is equipped with nozzles connected to a liquid container. One of the carriages consists of two parts: the first and the second one, with the second part capable of moving relative to the first one. The fir...