ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,980, issued on Jan. 28, was assigned to Analytical Mechanics Associates Inc. (Hampton, Va.).

"Adsorbate analysis using optically stimulated electron emission" was invented by William T. Yost (Newport News, Va.), Daniel F. Perey (Yorktown, Va.), Paul Petzar (Yorktown, Va.), John W. Connell (Yorktown, Va.), Frank L. Palmieri (Yorktown, Va.), Rodolfo I. Ledesma (Hampton, Va.) and Joshua L. Brown (Poquoson, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A probe for collecting optically stimulated electron emission to inspect chemical reactions of a surface includes a light source to emit light on the surface, a collector, and a controller. The light...