Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802459 | Device for preparing the walls of a mold for molding or shaping to make them ready for the next molding cycle | Hans-Dieter Renkl, Douwe Marten Kok, Karl-Heinz Keim | 2004-10-12 |