ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,193, issued on Aug. 5, was assigned to Raytheon Co. (Arlington, Va.).
"Tandem charge for underwater targets" was invented by Coulton T. Sadler (Tucson, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tandem charge for prosecution of underwater targets includes both a precursor charge (PC) and a follow through charge (FTC) oriented within and along an axis of a charge casing with the FTC positioned in front of the precursor charge. The precursor charge includes an explosive charge and a liner configured such that upon detonation of the explosive charge the liner forms an annular explosively formed penetrator (EFP) that is projected along the ax...