ALEXANDRIA, Va., June 10 -- United States Patent no. 12,293,508, issued on May 6, was assigned to RITTAL GMBH & Co. KG (Herborn, Germany).

"Device and method for testing the contents of a switchgear cabinet following installation according to a plan" was invented by Thomas Weichsel (Erkelenz, Germany), Thomas Michels (Troisdorf, Germany), Lars Martin (Munzenberg, Germany) and Judith Zachrai (Herborn, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for testing the contents of a switch cabinet following installation of equipment components (2a-2e) according to a plan and the wiring thereof via terminals (6) provided therefor by means of designated electrical cables (5), includes a camera unit (...