Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808780 | Low birefringence film | Thomas M. Laney, John E. Benson | 2004-10-26 |
| 6746732 | Triacetyl cellulose film with reduced water transmission property | Joseph L. Lippert | 2004-06-08 |
| 6730374 | Triacetyl cellulose film with reduced water transmission property | Joseph L. Lippert | 2004-05-04 |