Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605697 | Substituted sulfonamido compounds, photosensitive elements, film units, and processes for retaining a photographic image with same | Thomas E. Gompf, Pierre D. Collet | 1986-08-12 |
| 4258120 | Substituted sulfonamido compounds, photosensitive elements, film units, and processes for retaining a photographic image with same | Thomas E. Gompf, Pierre D. Collet | 1981-03-24 |