Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372001 | Abrasive articles and their preparations | Mohamed Omar, Heinz-Werner Schankweiler | 2002-04-16 |
| 5529590 | Process for the manufacture of endless coated abrasive articles | Mark R. Ennis | 1996-06-25 |
| 5470362 | Method for making coated abrasive belts | Ian Gorsuch, Mark R. Ennis | 1995-11-28 |
| 5341609 | Abrasive belts and their manufacture | Jan Gorsuch, Mark R. Ennis | 1994-08-30 |