Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816591 | 6,11-dihydrodibenz[b,e]oxepin-acetic acids and derivatives | Grover C. Helsley, David Hoffman | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816591 | 6,11-dihydrodibenz[b,e]oxepin-acetic acids and derivatives | Grover C. Helsley, David Hoffman | 1989-03-28 |