ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,849, issued on March 11, was assigned to STG AEROSPACE Ltd. (Cwmbran, Great Britain).
"Aircraft emergency way guidance assemblies" was invented by Rhian Katherine Bache (Cwnbran, Great Britain), Sean Patrick O'Kell (Cwnbran, Great Britain) and Andrew Jon Hallett (Cwnbran, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft emergency guidance assembly adapted to be mounted in an aircraft cabin comprises a longitudinally extending layer of photoluminescent material and a cover over the photoluminescent material. The assembly has a height and a width and a ratio of the width to height is from 0.5:1 to 3.5:1."
The patent was filed...