ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,494, issued on Sept. 15, was assigned to Comco Controls Canada Ltd. (Saskatoon, Canada).

"Microingredient dispensing system with empty tray detector" was invented by Derrick Englot (Saskatoon, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microingredient feed additive dispensing apparatus and method for adding microingredients to animal feed are described. The apparatus includes a frame, a microingredient receptacle with a front portion and a rear portion, a receptacle mount that mounts the receptacle to the frame, a plurality of microingredient bins oriented above the receptacle, one or more empty-receptacle-detecting sensors arranged al...