Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875847 | Twin-screw extruder having respective conical nose screw sections | LaVon Wenger, Bobbie W. Hauck | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875847 | Twin-screw extruder having respective conical nose screw sections | LaVon Wenger, Bobbie W. Hauck | 1989-10-24 |