ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,157, issued on Dec. 23, was assigned to H4X E.U. (Graz, Austria).

"Adapter for use in a track lighting system, and lighting arrangement" was invented by Andreas Hierzer (Graz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adapter for use in a track lighting system is designed to be inserted into a track. The track has an electrical conductor means with conductors, the adapter has contact elements, and when the adapter is in an inserted state, contact can be made with the conductors by means of the contact elements. The contact elements can be moved into a contacting position, in which they protrude from the adapter so that they can be co...