Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350271 | Water absorbing fluid dispenser | — | 1982-09-21 |
| 4340048 | Self-driven hypodermic injector | — | 1982-07-20 |
| 4320758 | Osmotically driven fluid dispenser | Johan Geerke, Felix A. Landrau | 1982-03-23 |