Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227924 | Process for the production of vermicular cast iron | Sundaresa V. Subramanian, Debabrata Ghosh, John M. Gray, David A. Kay | 1980-10-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227924 | Process for the production of vermicular cast iron | Sundaresa V. Subramanian, Debabrata Ghosh, John M. Gray, David A. Kay | 1980-10-14 |