ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,450, issued on May 20, was assigned to Guangdong Mic-Power New Energy Co. Ltd. (Guangdong, China).
"Button-type battery" was invented by Yan Tong (Guangdong, China) and Zhiyong Chen (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A button-type battery of the present disclosure is provided with a package assembly and a rolled cell. In an actual application process, both a battery cup and a battery cover have a protective function, while a sealing plastic ring has a waterproof function. In addition, when an electrode tab needs welding, position of the electrode tab is determined, and the battery cup and/or the battery cover are subjec...