ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,944, issued on May 20, was assigned to BAE SYSTEMS BOFORS AB (Karlskoga, Sweden).

"Barrel and launching device as well as method for firing off a projectile" was invented by Fredrik Thuvander (Karlstad, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A barrel for a launching device for launching projectiles with a propellant charge is arranged with a cross-section in the form of a curve of constant width. A launching device and a method for firing a rotation-stabilized projectile from a barrel are also provided."

The patent was filed on June 25, 2022, under Application No. 18/574,010.

*For further information, including images, charts and ta...