ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,080, issued on May 20, was assigned to Veltek Associates Inc. (Malvern, Pa.).

"Flow control modules that transmit desired flow rate" was invented by Rosario Sam Calio (Exton, Pa.) and Jeffrey Churchvara (Downington, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for sampling air in a controlled environment that includes two or more air sampling devices at different locations within the controlled environment. A controller is provided at a location outside of the controlled environment and in separate air flow communication with each of the two or more air sampling devices via separate first vacuum tubes, the controller having...