ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,792, issued on March 18, was assigned to Dixie Diamond Manufacturing Inc. (Lilburn, Ga.).

"Reciprocal segment abrasive cutting tool" was invented by Yong Wook Lee (Lilburn, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed technology includes a cutting tool comprising segments arranged around a periphery of a cutting tool. Each segment, of the plurality of segments comprising a first portion comprising a first material having a first hardness, a second portion comprising a second material having a second hardness, the second hardness being less than the first hardness, and a transition region. The transition region can include at lea...