ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,991, issued on April 22, was assigned to Time Manufacturing Co. (Waco, Texas).

"Apparatuses and methods for providing high electrical resistance for aerial work platform components" was invented by James Randall Christian (Crawford, Texas) and Andrew Keith Palican (Woodway, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems and apparatuses for providing high electrical resistance for an upper control assembly (including control handles) of an aerial lift are provided through an isolation member that is integral to the upper control assembly and interposed between fluid lines in the control assembly and a set of fluid conduits that ...