ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,552, issued on Dec. 9, was assigned to 1824930 Alberta Ltd. (Acheson, Canada).
"Intumescent grid" was invented by Wesley James Wall (Edmonton, Canada), Adam Wall (Acheson, Canada) and Shekaib Adab (Acheson, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of providing fire protection to a structure includes the step of installing an intumescent mesh on a surface of the structure such that the intumescent mesh is exposed to outdoor environmental conditions. The intumescent mesh includes a mesh with a series of openings and an intumescent coating applied to the flexible grid such that air can pass through the openings in the intumescent m...