ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,038, issued on Nov. 4, was assigned to MOZARC MEDICAL US LLC (Minneapolis).

"Systems and methods for device-independent color measurements for colorimetric sensing" was invented by Shawn C. Kelley (Shoreview, Minn.), Michael N Missaghi (Edina, Minn.), Sumaya M Abdullahi (Columbia Heights, Minn.) and Subin Sebastian (Kattappana, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration method and related systems for colorimetric chemical assay and a fluid sensor apparatus using the same are provided. Reference measurements are taken from both a digital camera and a spectrometer. The digital camera is installed in the fluid sensor apparatus. S...