Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162393 | Production of foundry sand moulds and cores | John S. Griffin | 1992-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162393 | Production of foundry sand moulds and cores | John S. Griffin | 1992-11-10 |