ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,727, issued on Feb. 3, was assigned to Streamlight Inc. (Eagleville, Pa.).
"Flashlight assembly" was invented by Jonathan R. Sharrah (Phoenixville, Pa.) and Raymond L. Sharrah (Collegeville, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device that includes a body having a front end and a rear end opposing the front end, a light source, and a switch assembly that extends through the rear end of the body. The switch assembly includes a switch button, a sealing boot, and a wave spring. The wave spring is compressed between the switch button and the sealing boot such that the sealing boot covers an end opening of a subframe. The switch b...