Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893939 | Mixing apparatus and mixing method | Ulrich Burk | 1990-01-16 |
| 4884690 | End wall of moldable material for a wound roll | Otto Klenter | 1989-12-05 |
| 4877133 | End wall of moldable material for a wound roll | Otto Klenter | 1989-10-31 |