ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,674, issued on May 20, was assigned to Amgen Inc. (Thousand Oaks, Calif.).

"Drug injection device with visual and audio indicators" was invented by Peter V. Shultz (Woodland Hills, Calif.), Christopher R. Folk (San Diego), Sigrid Moeslinger (New York), Masamichi Udagawa (New York), Molly Evans (Laguna Beach, Calif.), Lin Gao (Los Angeles) and Lisa Nugent (Malibu, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drug injection device (10) including a housing (12) for holding a container (20) having a needle (24) for penetrating skin and a plunger (42) for expelling a drug stored in the container. The device includes visual and/or audible indic...