ALEXANDRIA, Va., Oct. 8 -- United States Patent no. RE50,625, issued on Oct. 7, was assigned to Voltstar Technologies Inc. (Barrington, Ill.).
"Charger plug with improved package" was invented by James W. McGinley (Barrington, Ill.), Donald Rimdzius (Naperville, Ill.) and David P. Marcussen (Hortonville, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reduced plug-size charger plug for power conversion is disclosed utilizing a pair of blades that are slidably mounted into a charger housing, obviating the need for insertion molding. To promote and maintain electrical contact while minimizing package size and charger plug cost, a pair of spring contacts are provided for electrically connecting the blades...