ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,581, issued on June 24, was assigned to Holcim Technology Ltd (Zug, Switzerland).

"Construction boards with foil-containing facers" was invented by John B. Letts (Carmel, Ind.), Jiansheng Tang (Westfield, Ind.) and Michael J. Hubbard (Goshen, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A construction board comprising a foam body said foam body having first and second planar sides. The construction board further comprising a multi-layered facer affixed to said first or second planar side of said foam body. The multi-layered facer including a first foil layer, a first paper layer, a glass fabric layer, a second paper layer, and a second foil l...