Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688455 | Process for making a cellulose triacetate photographic film base | Eric E. Arrington | 1997-11-18 |
| 5529737 | Process for making cellulose triacetate photographic film base | Eric E. Arrington | 1996-06-25 |
| 5305886 | Decontamination process | John W. Verbicky, Jr. | 1994-04-26 |