Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435563 | Process for the recovery of pure hellebrin | Gerhard Oepen, Karl-Heinz Mangartz, Jurgen Engel, Otto Isaac | 1984-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435563 | Process for the recovery of pure hellebrin | Gerhard Oepen, Karl-Heinz Mangartz, Jurgen Engel, Otto Isaac | 1984-03-06 |