ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,518, issued on July 8, was assigned to KRL Holding Co. Inc. (Eldridge, Iowa).
"Gas operating system for low energy ammunition" was invented by Joseph Beitelspacher (Grand Mound, Iowa), Konstantin Konev (Eldridge, Iowa) and Michael Anthony Conger (Davenport, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas operating system for a firearm for use with low energy ammunition that includes a barrel having a maximum pressure experienced at a maximum pressure location when firing the low energy ammunition where a gas port is positioned distally from the maximum pressure location in a region of the barrel that experiences between 90% of the maximum p...