Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713054 | Implanted muscle powered drug dispensing system | Esther V. M. Hamel, Robert P. Bielka | 1987-12-15 |
| 4701180 | Implanted anchor and insert with analog display | Esther V. M. Hamel, Robert P. Bielka | 1987-10-20 |