ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,239, issued on Oct. 7, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde, China).

"Electrochemical device and electronic device containing same" was invented by Ning Liu (Ningde, China), Wu Ma (Ningde, China), Yu Ding (Ningde, China) and Daolin Liu (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical device includes a packaging shell having a first packaging body provided with a first dent and a first flange connected to a sidewall of the first dent, and a second packaging body provided with a second dent and a second flange connected to a sidewall of the second dent; a first electrode assembly disposed in the first d...