US Patent Issued to Northrop Grumman Systems on May 27 for "Tunable safe and arming devices and methods of manufacture" (California, Minnesota Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,389, issued on May 27, was assigned to Northrop Grumman Systems Corp. (Falls Church, Va.).

"Tunable safe and arming devices and methods of manufacture" was invented by John S. Krafcik (Livermore, Calif.) and Charles L. Weigel (Edina, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A projectile with a safe and arming device includes a tunable setback arming mechanism with an arming slider constrained and guided within a slider frame. The arming slider and slider frame cooperating to have a first safe position, a second intermediate position, and a third armed position. Components, such as the arming slider are manufactured by electronic discharg...