ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,889, issued on Oct. 7, was assigned to Instrumentation Laboratory Co. (Bedford, Mass.).
"Sealing systems" was invented by Christopher Farren (Concord, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the present disclosure provide a stopper comprising a plug and a pierceable membrane, the plug including a cavity between a pierceable membrane and a lower opening. The pierceable membrane and the cavity can form a tortuous path that reduces interactions between the contents of the container and the ambient environment. The cavity can be bounded by a plastic insert disposed within the plug. The plastic insert can include insert wal...