ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,113, issued on Dec. 30, was assigned to DENTAL ROBOTICS GROUP B.V. (Delft, Netherlands).

"Method of manufacturing a pressure chamber of a dental mouthpiece, method of manufacturing a dental mouthpiece, pressure chamber and mouthpiece manufactured with these methods, provided with these methods, J-/U-shaped dental mouthpiece, and systems comprising said mouthpieces" was invented by Joppe Gideon Van Dijk (Rotterdam, Netherlands), Tim Anton Snijder (Rotterdam, Netherlands) and Thomas Van De Water (The Hague, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to method of manufacturing a pressure chamber of a dental mout...