ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,215, issued on Sept. 23.

"Compressed gas supply device of an air rifle" was invented by Dmytro Kobtsev (Krushynka, Ukraine) and Maksym Razbudey (Kyiv, Ukraine).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressed gas supply device of an air rifle provides simultaneously short response time, low gas consumption per shot and automatic cocking. It comprises a pressure chamber formed by a cylindrical body, a first end element and a second end element attached to it communicating with the rifle barrel, a valve and a tie located in the pressure chamber, means for supplying compressed gas to the pressure chamber and a trigger mechanism. The front pa...