Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926063 | Method for conditioning foundry moulding sand and a device therefor | Hubert Eirich, Walter Eirich | 2005-08-09 |
| 6860313 | Method and device for the preparation of foundry sand | Uwe Greissing, Dieter Adelmann, Herbert Durr, Winfried Diem | 2005-03-01 |