Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564733 | Device for monitoring the bobbin thread on double thread lockstitch sewing machines | Edgar Butzen, Karl-Ludwig Manuel | 2003-05-20 |
| 6129809 | Heat-sealing machine | Bernd Ellenberger, Klaus Kutscher, Karl Herzer | 2000-10-10 |