Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880706 | Biaxially oriented multilayer barrier films | Gonzalo E. Mazuera | 1989-11-14 |
| 4832775 | Composite structure based on polystyrene foam and oriented polypropylene film and thermo-formed articles fabricated therefrom | Hee C. Park | 1989-05-23 |