Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803199 | Pharmaceutically useful heterocyclic and carbocyclic acid esters and amides of alkylene bridged piperidines | Gunter Engel, Bruno Hugi, Brian P. Richardson, Paul Stadler, by Hildegard R. Stadler, heir +3 more | 1989-02-07 |