Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279515 | Extruder with exchangeable housing insert | Alfred Effenberger | 1981-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279515 | Extruder with exchangeable housing insert | Alfred Effenberger | 1981-07-21 |