Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814161 | Drug-containing chlorofluorocarbon aerosol propellent formulations | Alexander Bell, Franz Fischer | 1989-03-21 |
| 4810488 | Physically modified beclomethasone dipropionate suitable for use in aerosols | — | 1989-03-07 |