Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667725 | Method for producing cast-iron, and in particular cast-iron which contains vermicular graphite | — | 1987-05-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667725 | Method for producing cast-iron, and in particular cast-iron which contains vermicular graphite | — | 1987-05-26 |