ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,623, issued on Feb. 17, was assigned to Amgen Inc. (Thousand Oaks, Calif.).

"Drug delivery device having a needle guard mechanism with a turnable threshold of resistance to needle guard movement" was invented by Scott R. Gibson (Thousand Oaks, Calif.) and Sheldon Moberg (Thousand Oaks, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for drug delivery includes a casing for housing a drug storage container including a dose delivery member. At least a portion of the dose delivery member extends through an opening in the casing. A guard is movable relative to the casing between an extended position and a retracted position. An interferenc...