Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886668 | Multiparticulate controlled porosity osmotic pump | Gerald S. Rork | 1989-12-12 |
| 4880631 | Controlled porosity osmotic pump | Gerald S. Rork | 1989-11-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886668 | Multiparticulate controlled porosity osmotic pump | Gerald S. Rork | 1989-12-12 |
| 4880631 | Controlled porosity osmotic pump | Gerald S. Rork | 1989-11-14 |