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 | Francesco Ferro, Luigi Colli | 1989-08-22 |
| 4854511 | Device and method 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 |
| 4854512 | 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 |
| 4854513 | Device and method 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 |