ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,254, issued on July 28, was assigned to PLUME DESIGN INC. (Palo Alto, Calif.).

"Wireless signal extender" was invented by Ming-Tsung Su (Taipei City, Taiwan) and Chun-Wen Wang (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Electrical plugs may include a first conductive pin and a second conductive pin extending from a base structure. A first insulating sleeve may surround a first base portion of the first pin and a second insulating sleeve may surround a second base portion of the second pin. Each of the first insulating sleeve and the second insulating sleeve may have a wall thickness of between about 0.10 mm and about 0.30 mm...