ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,865, issued on April 22, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Window roller shade and dimming pane" was invented by Jonathan Lynn Headrick (Peck, Kan.) and Joshua Lawrence Bell (Wichita, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A window roller shade and dimming pane assembly includes a rigid frame having a first side member on a first side and a second side member on a second side opposite the first side. An outer pane and an inner pane are disposed within the rigid frame with a gap between the outer pane and the inner pane. A roller shade includes a motor for rolling and unrolling the roller shade. A first constan...