Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207246 | Nonwoven abrasive material roll | Louis S. Moren, Laurie A. Windisch | 2001-03-27 |
| 5551961 | Abrasive articles and methods of making same | Robbyn L. Engen, Jeffrey E. Ford | 1996-09-03 |
| 5368618 | Method of making a coated abrasive article | Craig A. Masmar, Elizabeth C. Edblom | 1994-11-29 |
| 4773920 | Coated abrasive suitable for use as a lapping material | Jonathan N. Chasman, Ramon F. Hegel, Philip E. Kendall, Nathan B. Postma | 1988-09-27 |