US Patent Issued to Hewlett-Packard Development on Aug. 19 for "Toner refill cartridge having structure in which driving force is transmitted through toner outlet" (South Korean Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,138, issued on Aug. 19, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Toner refill cartridge having structure in which driving force is transmitted through toner outlet" was invented by Woongyong Choi (Gyeong-gi-do, South Korea), Yongnam Ahn (Gyeong-gi-do, South Korea) and Junhui Kim (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toner cartridge includes: a body to contain toner and including a toner outlet to discharge the toner to the outside; an agitating member to rotate about a central axis of the body and agitate the toner contained in the body; a shutter member to move along the central axis ...