ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,698, issued on April 7, was assigned to Pella Corp. (Pella, Iowa).
"Sash carrier for a window" was invented by Paul D. Schroder (Pella, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "Sash carriers mounted to the sides of a sash support the sash in a window frame for sliding movement between sliding closed and sliding open positions. Balance springs on the sash carriers counterbalance the weight of the sash during the sliding movement. The sash can be mounted to the sash carriers for tilting movement between tilt closed and tilt open positions. Brakes on the sash carriers are actuated by the sash when the sash is moved to the tilt open position,...