ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,448, issued on May 13, was assigned to Klein Tools Inc. (Lincolnshire, Ill.).

"Safety helmet fan system" was invented by Kingston T. Wong (Beach Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety helmet fan system includes a fan housing carrying a first fan on a first side of the fan housing and a second fan on a second side of the fan housing and configured to be mounted, by a mount connector located between the first side and the second side, on an exterior of a safety helmet shell above a brim of the safety helmet shell, and an elongate cooling air duct connected to the fan housing to direct cooling air flow from the fan housing a...