Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690707 | Abrasive grain comprising manganese oxide | William P. Wood | 1997-11-25 |
| 5551963 | Abrasive grain containing alumina and zirconia | — | 1996-09-03 |
| 5498269 | Abrasive grain having rare earth oxide therein | — | 1996-03-12 |
| 5429647 | Method for making abrasive grain containing alumina and ceria | — | 1995-07-04 |