ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,058, issued on March 24, was assigned to LINCOLN GLOBAL INC. (Santa Fe Springs, Calif.).
"Surface modification of welding wire drive rolls" was invented by Bradford W. Petot (South Euclid, Ohio), Matthew A. Albright (Thomson, Ohio) and Steven R. Peters (Huntsburg, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A welding wire drive roll has an outer circumferential surface having a circumferential groove projecting radially inward from the outer circumferential surface. The circumferential groove is formed by a first sidewall having a first sidewall surface, a second sidewall having a second sidewall surface, and a groove base extending between...