Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475253 | Abrasive article and method of making | Scott R. Culler, John J. Gagliardi, Eric G. Larson, Larry L. Martin, Jeffrey W. Nelson | 2002-11-05 |
| 4737163 | Coated abrasive product incorporating selective mineral substitution | — | 1988-04-12 |