ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,664, issued on July 21, was assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION (Seoul, South Korea).
"Mandibular advancement frame and mandibular advancement apparatus comprising same" was invented by Hyunwoo Shin (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mandibular advancement frame includes a support portion for supporting a side surface of an intraoral device, and a connection portion connected to the support portion and inclined at an angle set in advance with respect to the support portion, wherein a plurality of through holes are provided in at least one of the support portion and the connection portion."
T...