ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,241, issued on May 27, was assigned to EXPOSURE ILLUMINATION ARCHITECTS INC. (Scottsdale, Ariz.).
"Building egress lighting apparatus method and system with direction designator projection features" was invented by Daniel S. Spiro (Scottsdale, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "One or more reduced, same form, light emitting apparatus(es) spaced apart and configured to be mounted at various heights and/or spacing employ the same power consuming light source input that is covered by a symmetrical or asymmetrical redirecting linear lens optics apparatus that is configured for use in a range of mounting heights to uniformly illuminate ...