Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244169 | Device for joining textile yarns by axial twisting | Laurent Kropf, Erwin Zurcher | 1981-01-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244169 | Device for joining textile yarns by axial twisting | Laurent Kropf, Erwin Zurcher | 1981-01-13 |