Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557673 | Implantable pump | Herbert Chen | 1985-12-10 |
| 4457673 | Pump and actuator mechanism | James S. Petrek | 1984-07-03 |
| 4384829 | Pump and actuator mechanism | James S. Petrek | 1983-05-24 |