ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,233, issued on July 29, was assigned to AptarGroup Inc. (Crystal Lake, Ill.).
"Valve" was invented by John Wisniewski (Wauwatosa, Wis.) and Robert LaBean (Freeland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve (100) includes a base (110) defining a central axis (114). The valve (100) includes a post (118) connected to the base (110) and extending axially outwardly from the base (110), in the direction along the central axis (114). The valve (100) includes at least one flow aperture (122) in one or both of the base (110) and/or the post (118). The valve (100) further includes a flexible membrane (126) having an orifice (130) and havin...