Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826838 | Analgesic carbocyclic and heterocyclic carbonylmethylene-and carbonylmethypipidines and-pyrrolidines | Brian P. Richardson, Gunter Engel, Roland Furler | 1989-05-02 |
| 4797406 | Amides and esters containing bridged piperidines and use as serotonin M antagonists | Brian P. Richardson, Gunter Engel, Andrea Vasella | 1989-01-10 |