ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,423, issued on Oct. 14, was assigned to JMBH Holdings LLC (Shelton, Conn.).
"Vent valve assemblies for baby bottles" was invented by Charles Renz (Braircliff, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vent valve, and a vent valve assembly, for a liquid dispensing container, employ a vent disc having small open vent holes in cooperation with an overlying thin flexible flap that covers and closes the vent holes to limit liquid pressure on the holes when the container is upright, yet require little suction pressure to move the flap to draw liquid or vent through the holes. The vent valve can be used in a bottom cap that is attachable to the...