Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236660 | Heat-resistant vermicular or spheroidal graphite cast iron | Jean-Luc Roberge | 1993-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236660 | Heat-resistant vermicular or spheroidal graphite cast iron | Jean-Luc Roberge | 1993-08-17 |