ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,082, issued on Sept. 8, was assigned to Zumtobel Lighting GmbH (Dornbirn, Austria).

"Emergency luminaire, method for controlling light emission of an emergency luminaire and an emergency sign unit" was invented by Gregor Mayr (GaiBetaau, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an emergency luminaire (1) with a housing (2) accommodating a light source (3) and control means (4) configured to control light emission of the light source (3). The housing (2) is configured for attaching an emergency sign unit (5) to the housing (2) such that the light emitted by the light source (3) lights the emergency sign unit (5)...