Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325869 | Novel dyes, their preparation and use | Henri Riat, Karl Hoegerle | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325869 | Novel dyes, their preparation and use | Henri Riat, Karl Hoegerle | 1982-04-20 |