ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,934, issued on July 29, was assigned to ROTO FRANK FENSTER-UND TUERTECHNOLOGIE GMBH (Leinfelden-Echterdingen, Germany).
"Hinge for door or window" was invented by Hannes Trummer (Pirching, Austria), Robert Hopfer (Hausmannstaetten, Austria), Andreas Schmidt (Maria Lankowitz, Austria) and Peter Riznik (Tillmitsch, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge for a panel or window has a frame subassembly having a frame leaf mountable on a fixed frame and a substantially cylindrical bushing fixed to the leaf and centered on an axis, a panel subassembly having a leaf mountable on the panel of the door and a flange fixed to the leaf, an...