Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258952 | Leak-free, diffusion-blocking check valve, pump and method | David A. Borkholder | 2025-03-25 |
| 11603254 | Miniature pressure-driven pumps | David A. Borkholder, Robert Dana Frisina, Joseph Paul Walton, Xiaoxia Zhu | 2023-03-14 |
| 11583627 | Implantable drug storage devices for drug delivery | David A. Borkholder, Robert Dana Frisina, Joseph Paul Walton, Xiaoxia Zhu | 2023-02-21 |
| 11020524 | Peristaltic micropumps and fluid delivery devices that incorporate them | David A. Borkholder, Robert Nash Carter, Denis Cormier, Joseph Paul Walton, Robert Dana Frisina | 2021-06-01 |