Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440233 | Blown film coextrusion line with polygonal extruder arrangement | Henry G. Schirmer, Roger Blaine Trivette | 2022-09-13 |
| 11338490 | Blown film coextrusion line with polygonal extruder arrangement | Henry G. Schirmer, Roger Blaine Trivette | 2022-05-24 |
| 11173642 | Blown film coextrusion line with polygonal extruder arrangement | Henry G. Schirmer, Roger Blaine Trivette | 2021-11-16 |