ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,309, issued on Aug. 5, was assigned to Nikira Labs Inc. (Mountain View, Calif.).

"Cell and optical cavity for absorption spectroscopy and methods of assembly" was invented by John Brian Leen (Sunnyvale, Calif.), Manish Gupta (Mountain View, Calif.) and Rupal Gupta (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell for an optical cavity includes a tube with a first open-end and a second open-end, a first end-cap, and a second end-cap. The first end-cap is fixedly attached to the tube at the first open-end and has an opening with a center axis. The second end-cap is fixedly attached to the tube at the second open-end and has a...