Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607826 | Polyethylene terephthalate photographic film base | Andy H. Tsou, Gary D. Smith, Gary M. Mosehauer | 1997-03-04 |
| 5599658 | Photographic film-base and photographic elements | Wen-Li A. Chen | 1997-02-04 |