ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,727,973, issued on Sept. 8, was assigned to AEGIS STAR DENTAL TECHNOLOGIES INC. (Boston).

"Orthodontic palatal and jaw expansion device" was invented by Eren Ahmet Keles (Istanbul) and Ahmet Ozlem Keles (Istanbul).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a palatal and jaw expansion device (1) comprising at least one screw (2), at least two blocks (4) that are positioned on the screw (2) so as to move on the screw (2), at least one stabilization rod (3) whereon the blocks 10 (4) are seated, a movement mechanism (5) disposed at the center of the screw (2) and an arm (6) that has a fixed end (8) fixed to the movement m...