ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,868, issued on May 26, was assigned to OSSTEMIMPLANT Co. LTD. (Seoul, South Korea).
"Intraoral scanner calibration device" was invented by Eun Joong Kim (Seoul, South Korea), Hyun Ho Choi (Seoul, South Korea) and Ju Myung Hong (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present disclosure provides an oral scanner calibration device including: a casing into which an oral scanner body is inserted; a reflector part disposed on a central axis of the oral scanner body and configured to reflect light irradiated from an optical device of the oral scanner body; a pattern plate part configured to face the optical de...