ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,252, issued on Dec. 9, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Structure for electric contact portion of toner cartridge" was invented by Junhui Kim (Seongnam-Si, South Korea), Jinsam Park (Seongnam Si, South Korea), Sanghoon Lee (Seongnam Si, South Korea) and Jongin Kim (Seongnam Si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner cartridge includes a body having a toner outlet therein, a coupler provided on the body, and an electric contact portion for electrical connection with a printing apparatus. Based on a force applied to the electric contact portion by an elastic sealing member between the prin...