Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987059 | Process for stabilizing photographic silver images | Werner Berthold, Helmut Haseler, Paul Marx, Heinz Meckl | 1991-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987059 | Process for stabilizing photographic silver images | Werner Berthold, Helmut Haseler, Paul Marx, Heinz Meckl | 1991-01-22 |