ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,445, issued on April 7, was assigned to KIDDE TECHNOLOGIES INC. (Wilson, N.C.).

"Addressing optical firing cartridge using chromatic aberration" was invented by Aswin Kumar Vallamkondu (Karnataka, India) and Terry Simpson (Wake Forest, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fire protection system includes two or more fire extinguishers. Each fire extinguisher includes a housing, the housing including an extinguisher outlet and a burst disk. The burst disk is configured to retain a volume of fire suppressant material in the housing. A firing cartridge is operably connected to the housing and includes an output charge, and an ignition c...