ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,050, issued on Dec. 2, 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, includes: a cartridge including a launching chamber, a cylinder including an air chamber, an air valve, a first pin, and a second pin. The air valve is disposed in the air chamber and partially extends out of the cylinder to connect to the cartridge; the air valve is an integrally-formed structure and includes an air passage comprising an air inlet and an air outlet; the air inlet is connected to the air chamber, ...