ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,263, issued on Nov. 18, was assigned to MG SMART VENTURES LLC (Dover, Del.).

"TDLAS architecture for widely spaced wavelength" was invented by Andrew D. Sappey (Lakewood, Colo.) and Bernard Patrick Masterson (Louisville, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Measuring a concentration of at least one target species is described. A first and second tunable diode laser are configured to generate laser light at a respective wavelength different from one another. A pitch head comprising a transmitting optic is optically coupled to the first and second tunable diode lasers via distal ends of the first and second optical fibers, and is orien...