Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881990 | Steel product with globular manganese sulfide inclusions | Howard M. Pielet, Larry A. Frank, William D. Edgar | 1989-11-21 |
| 4746361 | Controlling dissolved oxygen content in molten steel | Howard M. Pielet, Larry A. Frank, William D. Edgar | 1988-05-24 |