ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,676, issued on June 24, was assigned to JELD-WEN Inc..

"Fenestration unit with plural panels and interpanel coupling system" was invented by Jacob D Anderson (Redmond, Ore.), Layne R Stubbs (Klamath Falls, Ore.) and Jack M Mathes (Klamath Falls, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fenestration unit with a first panel and a second panel, one panel being supported for sliding relative to the other. The fenestration unit includes an interpanel coupling system with a first coupling member and a second coupling member. The first coupling member includes a first facing member and a first projection that projects from the first facing mem...