ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,256, issued on July 28, was assigned to Medtronic MiniMed Inc. (Northridge, Canada).

"Analyte sensors and methods for improving interferent rejection and longevity" was invented by Robert M. McKinlay (West Hills, Calif.), Quyen B. Ong (Arcadia, Calif.), Xin Heng (Arcadia, Calif.) and Weihong Cui (La Crescenta, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An analyte sensor includes a microcontroller, a base layer, a conductive layer disposed on the base layer where the conductive layer includes a working electrode configured to provide a current signal in presence of glucose, an interference rejection membrane ("IRM") layer disposed on the w...