Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345887 | Thread manipulations at the beginning and end of a seam | — | 1994-09-13 |
| 4815404 | Servo device for a multineedle sewing machine with engageable and disengageable needle bars | Rolf Ellermann, Wilhelm Stapel | 1989-03-28 |
| 4457244 | Rotary-gripper counter-hook for double-lock-stitch sewing machines | Klaus D. Seiler, Wilheim Stapel | 1984-07-03 |
| 4364319 | Controlled thread clamp device for needle threads | Hermann Niehaus, Wilhelm Stapel | 1982-12-21 |