ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,537, issued on April 14, was assigned to AptarGroup Inc. (Crystal Lake, Ill.).
"Dispensing closure" was invented by John Wisniewski (Wauwatosa, Wis.), Timothy Michael Mazurkiewicz (Waukesha, Wis.), Christopher Branca (Charlotte, N.C.) and Stacy L. Beilke (East Troy, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dispensing closure (40, 40A, 40B) includes a first body (54, 54A, 54B) for being located at an opening of a container (44, 44A, 44B) and having a first peripheral wall (56, 56A, 56B) and a membrane (60, 60A, 60B) that is integrally molded with the first peripheral wall (56, 56A, 56N) to initially occlude access to the interior of the...