ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,340, issued on March 24, was assigned to POLYPLASTIC B.V. (Rotterdam, Netherlands).
"Panel device" was invented by Pieter Sietze Krijgsman (Rotterdam, Netherlands) and Bianca Catharina Van Bemmel-Welle (Rotterdam, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A panel device, particularly a roof light for a recreational vehicle, comprises an at least substantially polygonal frame which surrounds an opening. A window is connected to the frame for pivoting about a pivot axis and comprises a panel which extends over the opening. Provided between the frame and the window is a stay device which is manipulable between a first position, in whi...