ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,056, issued on Dec. 23, was assigned to OSSTEMIMPLANT Co. LTD. (Seoul, South Korea).

"Oral scanner system" was invented by Hyung Jin Kim (Seoul, South Korea) and Eun Joong Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in one embodiment of the present invention is a calibration device for an oral scanner, comprising: a casing in which an oral scanner body is coupled to an open upper part; a rotational part rotatably provided with respect to the casing; a reflector part arranged on the central axis of an optical device in the oral scanner body; and a pattern plate part facing the optical device through the reflector p...