US Patent Issued to Roto Frank Fenster-und Turtechnologie on July 1 for "Carriage for a window or door with height adjustment" (German, Hungarian Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,080, issued on July 1, was assigned to Roto Frank Fenster-und Turtechnologie GmbH (Leinfelden-Echterdingen, Germany).

"Carriage for a window or door with height adjustment" was invented by Martin Krebs (St. Johann, Germany), Winfried Reich (Berglen, Germany), Choongeun Park (Stuttgart, Germany) and Tamas Nyikos (Sopron, Hungary).

According to the abstract* released by the U.S. Patent & Trademark Office: "A carriage has a wing part which can be fastened to a wing and a roller part which is displaceable on a running rail. The wing part is displaceable in a positively controlled manner transversely to the running rail. The roller part has a height-adjustable roller upper part. The ve...