ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,622, issued on Oct. 21, was assigned to Quanta Associates LP (Houston).

"Equipotential mat using wire mesh netting" was invented by Luke Asbjorn Loder (Rathdrum, Idaho) and Phillip Howard Quaedvlieg (Oliver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an equipotential (EPZ) matting for creating an equipotential zone at a work site. A wire mesh of the EPZ matting is constructed by first cutting desired lengths of cable and laying the lengths of cable parallel and adjacent to each other. The cables are then connected to one another at regularly spaced intervals along the cables using pressed metal ferrules. The connections are s...