ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,582, issued on Dec. 16, was assigned to Instapath Inc. (Houston).

"Systems for delivery of a liquid to and removal of a liquid from a sample" was invented by Samuel Jacob Luethy (Philadelphia), David Benjamin Tulman (Houston), Jonathon Quincy Brown (New Orleans) and Mei Wang (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for delivery of liquid to and removal of liquid from a sample is provided. The system includes a primary device that contains the sample and at least one valve configured to allow liquid to be delivered to and removed from the sample; at least one reservoir that is configured to receive a volume of liquid; a ...