Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4529691 | Color photographic recording material containing color couplers | Gunter Renner, Erich Wolff, Friedhelm Sommer, Herbert Stark, Dieter Stieler | 1985-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4529691 | Color photographic recording material containing color couplers | Gunter Renner, Erich Wolff, Friedhelm Sommer, Herbert Stark, Dieter Stieler | 1985-07-16 |