Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104424 | Abrasive article | Robert N. Smith, Renato Terragni | 1992-04-14 |
| 5061295 | Grinding wheel abrasive composition | Michael J. White, Jr. | 1991-10-29 |
| 4682988 | Phenolic resin bonded grinding wheels | Kesh S. Narayanan | 1987-07-28 |
| 4475926 | Active filler for grinding wheels | — | 1984-10-09 |