ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,453, issued on April 14.
"Oral expansion device" was invented by Charles McKenzie (Mesa, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oral expansion device comprises a first body, main body and a second body wherein the first body and second body are attached to a body and a first tube and a second tube wherein the first tube and second tube having one end attached to the body and having a second end attached to an inflation device. The first tube can be attached internally to the first cavity to the inflate or deflate it and the second tube can be attached internally to the second cavity to inflate or deflate it. The body is manufacture...