Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858837 | Device and method for intermittently storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed | Sergio Montali, Luigi Colli | 1989-08-22 |
| 4854509 | Method and device for intermittently storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed | Giorgio Boller, Luigi Colli | 1989-08-08 |
| 4854510 | Device and method for storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed | Bruno Romanin, Luigi Colli | 1989-08-08 |
| 4854514 | Device and method for storing and returning yarn during the winding of conical bobbins fed with yarn at constant speed | Bruno Romanin, Luigi Colli | 1989-08-08 |