Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683863 | Photographic silver halide material | Peter Bergthaller, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Johannes Willsau | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683863 | Photographic silver halide material | Peter Bergthaller, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Johannes Willsau | 1997-11-04 |