ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,034, issued on Oct. 28.
"Grinding wheel dressing tool with hollow spheres" was invented by Edward O. Kasper Jr. (Helenville, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grinding wheel dressing tool with hollow spheres preferably includes a tool shank and a dressing portion. The tool shank preferably includes a shank portion and a tool body. The shank portion extends from one end of the tool body and a dressing portion cavity is formed in an opposing end. The dressing portion preferably includes a quantity of diamond grit, metal bond powder, binder and a plurality of hollow spheres. The dressing portion cavity is preferably filled to a top ...