ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,018, issued on July 29, was assigned to 1092228 B.C. Ltd. (Anmore, Canada).
"Orthodontic aligner with bulges" was invented by Zhi Chun Song (Anmore, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An orthodontic appliance, being an aligner or retainer, includes upper and lower appliance members, upper and lower biting walls, and at least two bulges. The appliance defines a receiving space for receiving a crown of the teeth. When the appliance is fully installed, the mandible is in centric relation, and the upper and lower biting walls contact each other adjacent to right and left molars of the teeth, then right and left bulges are situated ove...