Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402276 | Method of controlling the speed of rotation of the drive motor of an embroidery, stitching or sewing machine | Hans-Gerd Ripkens | 1983-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402276 | Method of controlling the speed of rotation of the drive motor of an embroidery, stitching or sewing machine | Hans-Gerd Ripkens | 1983-09-06 |