Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11744975 | Method of manufacturing an anesthesia face mask | — | 2023-09-05 |
| 8393324 | Directionally efficient respirator mask | — | 2013-03-12 |
| 5848993 | Bulb syringe providing for visual observation of contents thereof and for enhanced deflation/inflation control | Benito L. Tanhehco, Brian J. Donahue, Brian J. Mitchell | 1998-12-15 |