ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,719, issued on Dec. 9, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Print cartridge registration systems" was invented by Fausto D'Apuzzo (Palo Alto, Calif.) and Yang Lei (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In example implementations, an apparatus is provided. The apparatus includes a moveable stage, a print cartridge, a camera, and a processor. The moveable stage is to hold a well plate. The print cartridge holder is to hold a print cartridge that includes a print die over the moveable stage. The camera is located above the movable stage and the print cartridge holder. The camera is positioned su...