Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8584676 | Breath responsive filter blower respirator system | — | 2013-11-19 |
| 7690379 | Pressure indicator for positive pressure protection masks | — | 2010-04-06 |
| 7469699 | Thin profile air purifying blower unit and filter cartridges, and method of use | — | 2008-12-30 |
| 7458390 | Breath controlled air inlet for blower | — | 2008-12-02 |
| 7273052 | Pneumatic sealing system for protection masks | — | 2007-09-25 |
| 7101412 | Self-sealing protection filter port | — | 2006-09-05 |
| 7082944 | Changeover valve and dual air supply breathing apparatus | — | 2006-08-01 |