Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556376 | Extruder head for producing flat cohesive profiled webs from resilient mixtures of differing composition | Willi Sievers, Gerhard de Vries | 1985-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556376 | Extruder head for producing flat cohesive profiled webs from resilient mixtures of differing composition | Willi Sievers, Gerhard de Vries | 1985-12-03 |