ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,209, issued on April 22, was assigned to Innovgas Pty Ltd (Launceston, Australia).
"Adjustable bite block with passageway" was invented by Andrew Wallis (Launceston, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is proposed an adjustable bite block for a patient's mouth for use during a medical or surgical procedure. The adjustable bite block includes an upper portion for engaging the teeth of a maxilla of the patient, and a lower portion for engaging the teeth of a mandible of the patient. The upper portion and/or lower portion has at least one passageway therebetween or therethrough, and the lower portion is adjustably connected to...