Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300616 | Manufacture of cast-iron ingot moulds | Jan den Best, Gerard J. Melman | 1981-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300616 | Manufacture of cast-iron ingot moulds | Jan den Best, Gerard J. Melman | 1981-11-17 |