Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746732 | Triacetyl cellulose film with reduced water transmission property | William J. Gamble | 2004-06-08 |
| 6730374 | Triacetyl cellulose film with reduced water transmission property | William J. Gamble | 2004-05-04 |