Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029711 | Method for producing a core sand and/or mold sand for foundry purposes | Cornelis Grefhorst | 2011-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029711 | Method for producing a core sand and/or mold sand for foundry purposes | Cornelis Grefhorst | 2011-10-04 |