ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,539, issued on Oct. 21, was assigned to Edw. C. Levy Co. (Detroit).

"Material grinding end effector assembly, subassemblies thereof, and methods for utilizing the same" was invented by Craig Moses (Ladson, S.C.), Edward Thomas (Andrews, S.C.) and Alan Langston (Mount Pleasant, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a cutting device. The cutting device includes a shaft, two or more gussets, two or more radial cutting members, and a circumferential cutting member. The shaft extends from a first end to a second end. The two or more gussets include at least a first gusset and a second gusset extending radiall...