Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811230 | Photographic material comprising a bicyclic pyrazolo coupler | Ping-Wah Tang, Stanley W. Cowan | 1998-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811230 | Photographic material comprising a bicyclic pyrazolo coupler | Ping-Wah Tang, Stanley W. Cowan | 1998-09-22 |