ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,960, issued on Nov. 25, was assigned to Beckman Coulter Inc. (Brea, Calif.).
"Solid state ion selective electrodes" was invented by John M. Wallach (Diamond Bar, Calif.) and Xihai Mu (Eastvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ion selective electrode ("ISE") assembly may be installed within a sample path of a biological testing system to measure ion concentration within sample fluid flowing through the sample path. A transducer membrane is placed within a housing and positioned to contact the sample path. A threaded portion is advanced into a socket of the housing and forces the membrane against a sealing portion of the sampl...