Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881991 | Special rolled steels | Roelof Johannes Mostert, Emilia B. Navarro, Pierre R. Rosinger, Rudolf P. Badenhorst | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881991 | Special rolled steels | Roelof Johannes Mostert, Emilia B. Navarro, Pierre R. Rosinger, Rudolf P. Badenhorst | 1989-11-21 |