ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,425, issued on June 17, was assigned to SPEED INFOTECH (BEIHAI) COMPANY Ltd. (Guangxi, China).

"Ink cartridge" was invented by Chenhai Zhao (Guangxi, China), Jinghua He (Guangxi, China), Min Liu (Guangxi, China) and Heng Zhang (Guangxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ink cartridge includes an ink container and a cartridge shell. The cartridge shell has a printhead and a mounting member which are disposed on the cartridge shell. The ink container is detachably connected to the mounting member. The ink container includes an ink container body and an ink outlet assembly. The ink container body includes an ink storage cavity con...