Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040226 | Serviceable cartridge assembly for respirator exhalation unit | Patrick Hulbert, Stanley J. Rodowsky, Jr. | 2021-06-22 |
| 10279204 | Serviceable cartridge assembly for respirator exhalation unit | Patrick Hulbert, Stanley J. Rodowsky, Jr. | 2019-05-07 |
| 9560459 | Modular voice amplification system for protective mask | Patrick Hulbert | 2017-01-31 |
| 8469405 | Securing mechanism for a coupling device | Patrick Hulbert | 2013-06-25 |
| 8276785 | NBC/CBRNE personal hydration system | Patrick Hulbert | 2012-10-02 |