Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066434 | Method of forming a multilayer heat sealable film | Leland L. Liu | 1991-11-19 |
| 4944990 | Oriented white opaque multilayer heat sealable film and method of forming same | Leland L. Liu | 1990-07-31 |
| 4767675 | Oriented opaque films containing alkenylaromatic polymers | John R. Wagner, Jr. | 1988-08-30 |