ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,786, issued on July 15.

"Portable apparatus for oxygen delivery" was invented by Ian Mackenzie Sharp (Milford, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable apparatus for oxygen delivery includes a receptacle, a mouthpiece and a tube. In another aspect the mouthpiece includes a first fluid channel for a first fluid and a second fluid channel for a second fluid that is different from the first fluid. In a further aspect, the portable apparatus includes a receptacle, a mouthpiece and a tube in which the mouthpiece includes a teeth engagement portion, a lip engagement portion and a lip protection portion."

The patent was filed on Jul...