Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688455 | Process for making a cellulose triacetate photographic film base | Eric E. Arrington | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688455 | Process for making a cellulose triacetate photographic film base | Eric E. Arrington | 1997-11-18 |