Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5918519 | Apparatus for the manufacture of sheets of corrugated board of variable size | Karl Waldeck, Edmund Bradatsch | 1999-07-06 |
| 4976676 | Longitudinal slitting and/or grooving machine for transported material sheets, particularly for sheets of corrugated board | Hermann Mensing, Reinhard Sternitzke, Karl Waldeck | 1990-12-11 |