Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252818 | Novel benzopyran derivatives | Pierre Hamel, Ralph F. Hirschmann | 1981-02-24 |
| 4237160 | 3-Hydroxymethyldibenzo[b,f]thiepins as prostaglandin antagonists | Pierre Hamel | 1980-12-02 |
| 4181661 | Derivatives of 2-iminothiazolidines and thiazolines | Clarence S. Rooney, Edward J. Cragoe, Jr. | 1980-01-01 |