Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885119 | Method of making a multilayer film | Henry G. Schirmer | 1989-12-05 |
| 4833024 | Low shrink energy films | — | 1989-05-23 |
| 4816343 | Chemically stabilized film | Henry G. Schirmer | 1989-03-28 |