ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,629, issued on May 20, was assigned to XEROX Corp. (Norwalk, Conn.).

"System and method for model-predictive-control-based micro-assembly control with the aid of a digital computer" was invented by Ion Matei (Sunnyvale, Calif.) and Johan de Kleer (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "System and method that allow to jointly cause movement of multiple micro-and-nano-objects to desired positions are described. A high speed camera tracks the locations of the objects. An array of electrodes is used to generate a dynamic potential energy landscape for manipulating objects with both DEP and EP forces. One or more computing devic...