ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,087, issued on March 24, was assigned to BATTELLE MEMORIAL INSTITUTE (Columbus, Ohio).

"Biological culture unit" was invented by Charles L. Desanti (Columbus, Ohio), Ryan W. Daly (Columbus, Ohio), David Charles Seibert Jr. (Columbus, Ohio), Patrick Norris (Columbus, Ohio), John Bartholomew (Columbus, Ohio) and Sherry K. Blight (Columbus, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biological culture unit comprises a chamber body and a valve plate. The chamber body has defined therein a growth chamber and an aliquot chamber. The valve plate is disposed on the top surface of the chamber body and is movable to define selectable configuration...