Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979357 | Method of producing ultra-hard abrasive particles | Robert Fries, Iakovos Sigalas, Manfred Nebelung | 2005-12-27 |
| 6860914 | Abrasive product | Raymond Albert Chapman | 2005-03-01 |