Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838464 | Vented plastic bottle | — | 1989-06-13 |
| 4798526 | Modular extrusion head | Erich Otto Teutsch | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838464 | Vented plastic bottle | — | 1989-06-13 |
| 4798526 | Modular extrusion head | Erich Otto Teutsch | 1989-01-17 |