ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,750, issued on Nov. 3, was assigned to Edscha Engineering GmbH (Remscheid, Germany).

"Roller, in particular for a sliding door" was invented by Josef Kasberger (Remscheid, Germany) and Thorsten Weiss (Remscheid, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller, in particular for a sliding door of a vehicle, includes a main part having a running surface pointing radially outward. The running surface can be coupled to a guide rail of a sliding door. The roller also includes a central bore, penetrating the main part at least in part, for receiving a bearing arrangement for rotatable mounting of the main part. A roller which is cost-effect...