ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,605, issued on March 4, was assigned to RABMED A/S (Heidal, Norway).

"Ampoule closure" was invented by Martin Vollen (Heidal, Norway), Kevin Geers (Oslo, Norway), Marius Andresen (Oslo, Norway), Joachim Wallem Rasmussen (Oslo, Norway) and Jan Anders Ekroll (Oslo, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closure for an ampoule, the closure comprising: a cap portion arranged to engage with a broken neck of an opened ampoule; and a cylindrical skirt portion extending from the cap portion, the skirt portion being elastically deformable and being arranged to move from a first position in which it is at least partially folded back on itself...