ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,202, issued on March 25.
"Magazine and intelligent approval system thereof" was invented by Yutao Ma (Flushing, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a magazine and an intelligent approval system thereof, including: a cartridge chamber having an upper end formed with a cartridge opening and an interior for receiving cartridges loaded therein; a magazine spring located at a bottom of the cartridge chamber; a magazine follower located on the magazine spring; a casing enclosing the cartridge chamber, the magazine spring, and the magazine follower; and a locking mechanism arranged between a sidewall of the cartridge chamber a...