Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139536 | Alumina bonded abrasive for cast iron | — | 1992-08-18 |
| 5139539 | Alumina bonded abrasive for cast iron | — | 1992-08-18 |
| 4988370 | Alumina bonded abrasive for cast iron | — | 1991-01-29 |
| 4883501 | Alumina bonded abrasive for cast iron | — | 1989-11-28 |
| 4800685 | Alumina bonded abrasive for cast iron | — | 1989-01-31 |