Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846645 | Bubble forming and stabilizing device for use in continuous extrusion process for making a blown film | — | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846645 | Bubble forming and stabilizing device for use in continuous extrusion process for making a blown film | — | 1989-07-11 |