Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645619 | Method of making alpha alumina-based abrasive grain containing silica and iron oxide | Larry D. Monroe, Thomas E. Wood, David M. Wilson | 1997-07-08 |
DE
Dwight D. Erickson
Overall (1997): #157,103 of 185,788Top 85%
1
Patents 1997