ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,974, issued on Dec. 9, was assigned to Safe Inflator AS (Kristiansand, Norway).

"Safety device for securing a threaded connection between a gas cylinder and an actuator of an inflatable life vest, a safety arrangement, a life vest assembly, and use of such device, arrangement and assembly" was invented by Jon Nordmo (Kristiansand, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety device is for securing a threaded connection between a gas cylinder and an actuator of an inflatable life vest, where the gas cylinder has an elongated cylindrical outer surface in respect to its longitudinal axis and a threaded end portion configured to be conn...