Issued Patents 1989
Showing 1–1 of 1 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 |
Showing 1–1 of 1 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 |