ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,507,335, issued on Dec. 23, was assigned to Lutron Technology Co. LLC (Coopersburg, Pa.).

"Digital load control system providing power and communication via existing power wiring" was invented by Mark S. Taipale (Harleysville, Pa.), James P. Steiner (Royersford, Pa.), Walter S. Zaharchuk (Macungie, Pa.), Michael W. Pessina (Allentown, Pa.) and Joel S. Spira (Coopersburg, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller comprises a controllably conductive device adapted to be coupled in series electrical connection between an AC power source and a load control device. The controller also comprises a control circuit coupled to the controlla...