ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,654, issued on June 23, was assigned to Elegen Corp. (Menlo Park, Calif.).
"Methods of using microfluidic positional encoding devices" was invented by Matthew Hill (Decatur, Ga.), Marc Unger (San Mateo, Calif.) and Alex Sugarbaker (Atherton, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to methods and compositions useful for routing and tracking multiple mobile units within a microfluidic device. Mobile units may be routed through a plurality of chemical environments, and the mobile units may be tracked to determine the path and/or environments that the mobile units have routed through. Mobile units may be routed in acc...