Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881990 | Steel product with globular manganese sulfide inclusions | Howard M. Pielet, William D. Edgar, Milan Alavanja | 1989-11-21 |
| 4852632 | Apparatus for preventing undissolved alloying ingredient from entering continuous casting mold | Charles R. Jackson, Daniel Rellis, Jr., Howard M. Pielet, Debanshu Bhattacharya, Purnendu K. Dasgupta +1 more | 1989-08-01 |