Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287298 | Film base material containing a combination of surfactants | — | 1981-09-01 |
| 4244988 | Method of coating linear polyester with aqueous latex | — | 1981-01-13 |
| 4233074 | Photographic polyester film base with subbing layer containing phosphoric acid derivative | Norman E. Gambles | 1980-11-11 |