ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,671, issued on May 20, was assigned to Fenwal Inc. (Lake Zurich, Ill.).

"Syringe with syringe closure" was invented by Christopher J. Wegener (Libertyville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A syringe including a barrel, a plunger, and a vented closure. The barrel has a bore, and an end with an opening in communication with the bore and a barrel flange disposed outwardly of the opening. The plunger is disposed in the bore, and is movable along the bore. The vented closure is attached to the barrel at the end, and includes a stopper, a cap and a filter. The stopper is disposed over and/or in the opening in communication with the bor...