Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316847 | Pyrroles and pyrrolidines | Andrew D. Batcho, Urs Hengartner, Willy Leimgruber, Donald Valentine, Jr. | 1982-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316847 | Pyrroles and pyrrolidines | Andrew D. Batcho, Urs Hengartner, Willy Leimgruber, Donald Valentine, Jr. | 1982-02-23 |