ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,746, issued on Nov. 25, was assigned to 360degree Ballistics LLC (Wake Forest, N.C.).
"Barrier for absorbing very high power bullets and uses thereof" was invented by Mark Alan Siver (Youngsville, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed to an improved ballistic concrete mixture which is operable to be cast in many forms such as blocks. The improved ballistic concrete mixture provides an effective barrier for stopping projectiles with a kinetic energy of between about 1.0 kJ (750 foot-pounds) and 20.3 kJ (15,000 foot-pounds) in between about 3 inches and 10 inches such as a fifty-caliber round. The improved bal...