Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407947 | Process for obtaining metal-free corrinoids | Volker Koppenhagen, Gerhard Schlingmann, Bernd Dresow, Ludwig Bischoff, Eicke Siefert | 1983-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407947 | Process for obtaining metal-free corrinoids | Volker Koppenhagen, Gerhard Schlingmann, Bernd Dresow, Ludwig Bischoff, Eicke Siefert | 1983-10-04 |