ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,145, issued on Nov. 18, was assigned to Revolutionary Rounds LLC (Gilbert, Ariz.).
"Projectile and caseless cartridge" was invented by Richard L. Eckstein Jr. (Gilbert, Ariz.), Linda H. Eckstein (Gilbert, Ariz.) and Lucas R. Hayhurst (Glendale, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A caseless cartridge including a projectile. A bullet is positioned on a leading end of the projectile and sized to exit a firearm through a barrel of the firearm. An ignition housing is positioned on a trailing end of the projectile opposite the leading end. An ignition source is positioned within the ignition housing. A hollow shaft extends between the bu...