ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,104, issued on April 8, was assigned to Roche Diabetes Care Inc (Indianapolis).

"Method and devices for performing an analytical measurement" was invented by Bernhard Limburg (Soergenloch, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, a mobile device and a kit for performing an analytical measurement are disclosed, wherein outliers are eliminated. In the inventive method, a mobile device having a camera and a test strip for performing a color-change detection reaction are provided. A sample is applied to a test field of the test strip and an image of at least part of the test strip is captured. A region of interest in the image is...