ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,406, issued on Dec. 16, was assigned to West Pharmaceutical Services Inc. (Exton, Pa.).
"Pharmaceutical syringe piston" was invented by Jeffrey M. Laubach (Emmaus, Pa.), Jurgen Brinkhues (Aachen, Germany), Heike Gruen (Aachen, Germany), Joel Worman (Palm Harbor, Fla.), Xia Zhao (Malvern, Pa.) and Jason Mattia (Downingtown, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a syringe is described. The syringe includes a barrel having an open proximal end, a piston shaft having proximal and distal ends, and a piston having a longitudinal axis and opposing proximal and distal axial ends. Initially, a partially formed piston b...