Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998490 | Bobbin housing assembly in a sewing machine having at least one hook | Hans R. Goebbels, Kurt Biermann, Gerhard Steppat, Wilhelm Stapel, Michael Rosemann | 1991-03-12 |
| 4457244 | Rotary-gripper counter-hook for double-lock-stitch sewing machines | Wilheim Stapel, Gunter Droste | 1984-07-03 |