ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,519, issued on July 22, was assigned to CAMELBAK PRODUCTS LLC (Petaluma, Calif.).

"Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces" was invented by Derek Campbell (Petaluma, Calif.), Eric Mar (San Rafael, Calif.) and Thomas R. Luhrs (Santa Rosa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces are disclosed. Bite-actuated mouthpieces comprise a body comprising a dispensing wall, one or more sidewalls extending from the dispensing wall that with the dispensing wall define an internal volume, and an inlet to the internal volume. The sel...