Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836369 | Process for reclaiming used foundry sand | Christian Renner | 1998-11-17 |
| 5706879 | Process for the reclamation of used foundry sand | Christian Renner, Xaver Naf | 1998-01-13 |
| 5433389 | Method and apparatus for reclaiming foundry sand | Heinz Schneble, Peter Rossmanith | 1995-07-18 |