ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,674, issued on July 8, was assigned to Agilent Technologies Inc. (Santa Clara, Calif.).

"Headspace eliminating microtiter plate lid and method of optically measuring well oxygen concentration through the lid" was invented by Ian M. Hayes (Glounthaune, Ireland) and James N. Hynes (Ovens, Ireland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An implement for eliminating headspace in the testing space(s) (T9 or MPWell) of a test tube (T) or microtiter plate (MP), and methods of using such implements to measure oxygen concentration in a test sample. The implement projects into a test chamber (T9 or MPWell) to displace a portion of a fluid sample within ...