ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,273, issued on June 17, was assigned to LIFE TECHNOLOGIES Corp. (Carlsbad, Calif.).

"Fluid mixing systems with adjustable mixing element" was invented by Michael E. Goodwin (Logan, Utah) and Nephi D. Jones (Newton, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid mixing system includes a support housing having an interior surface bounding a chamber. A flexible bag is disposed within the chamber of the support housing, the flexible bag having an interior surface bounding a compartment. An impeller is disposed within the chamber of the flexible bag. A drive shaft is coupled with the impeller such that rotation of the drive shaft facilitates...