ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,460, issued on June 10, was assigned to Colorado State University Research Foundation (Fort Collins, Colo.).

"Soil organic matter density fractionation devices and methods" was invented by Maria Francesca Cotrufo (Fort Collins, Colo.), Michelle Haddix (Fort Collins, Colo.), Rebecca Even (Fort Collins, Colo.), Kolbin Dahley (Denver), Travis Johnson (Fort Collins, Colo.), Andrew Kollar (Fort Collins, Colo.), Jayvin Krzych (Fort Collins, Colo.) and Kyle Palmiscno (Loveland, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A soil fractionation system can include a plurality of sample racks propelled by a drive system. Each sample rack can include a ...