ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,543, issued on Aug. 19, was assigned to AUDI AG (Ingolstadt, Germany).
"Wall bushing" was invented by Reimund Limbacher (Ingolstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wall bushing is provided for leading an electrical cable through a wall. The wall bushing includes a hollow body which extends at least for a portion along an axis of extension, the hollow body having a cavity in its interior and having an opening at each of two ends opposite each other in the direction of the axis of extension, forming an access to the cavity, and at least one cover which in a closure position of the wall bushing closes one of the openings at le...