ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,294, issued on March 18, was assigned to Hamedata Technology Co. Ltd. (Guangdong, China).

"Voltage drop circuit assembly of lithium battery and 1.5V lithium battery" was invented by Changjun Yang (Guangdong, China), Pengfei Xiao (Guangdong, China), Jian Zhao (Guangdong, China), Wei Zhou (Guangdong, China) and Qiang Hou (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a voltage drop circuit assembly of a lithium battery and a 1.5V lithium battery. The voltage drop circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a posit...