ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,018, issued on April 1, was assigned to Masimo Corp. (Irvine, Calif.).

"Spot check measurement system" was invented by Bilal Muhsin (San Clemente, Calif.), Prashanth Rengaswamy Chandran (Irvine, Calif.), Mihir Chinchalkar (Irvine, Calif.), Prashanth Iyengar (Irvine, Calif.), Ammar Al-Ali (San Juan Capistrano, Calif.), Ronald Keith Rumbaugh II (Mission Viejo, Calif.) and James Pishney (Garden Grove, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable spot-check system configured to assess the validity of a measured physiological parameter. The spot-check device can take into consideration a variety of factors to determine whether a valid...