ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,465, issued on Sept. 15, was assigned to SICK AG (Waldkirch, Germany).

"Spectroscopic analysis apparatus comprising a multi-chamber cuvette for fluid or gas analysis and corresponding method" was invented by Benjamin Hagemann (Simonswald, Germany) and Ralf Warratz (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectroscopic analysis apparatus comprises a multi-chamber cuvette for fluid or gas analysis, wherein the multi-chamber cuvette comprises at least two measurement chambers into which fluid or gas can be introduced for analysis, wherein the at least two measurement chambers are optically separated from one another, wherein ...