ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,463, issued on Sept. 16, was assigned to Honeywell Federal Manufacturing & Technologies LLC (Kansas City, Mo.).

"Helical electromagnetic counter recoil mechanism" was invented by Seth D. Hartman (Belton, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An artillery configured to propel a projectile, the artillery comprising a firing mechanism, a barrel, and a helical electromagnetic recoil mechanism. The firing mechanism fires the projectile in a first direction toward a target. The barrel has an open-ended bore that guides the projectile in the first direction. The helical electromagnetic counter recoil mechanism includes an electrical energy so...