ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,560, issued on Feb. 10, was assigned to S-BEAM PRECISION PRODUCTS Ltd. (Zhongshan, China).
"Air gun" was invented by Ming Liang (Zhongshan, China) and Xiaoliang Luo (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air gun including: a cylinder, a cartridge, an air valve, a stop piece. The air valve includes an assembly channel, a communication port, and an air passage connected to the assembly channel through the communication port. The cartridge is disposed in the assembly channel and includes an ejection channel communicating with the air passage through the communication port. The stop piece is disposed on the air valve to push...