Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10130831 | Self-contained breathing system | James W. Teetzel, Gary M. Lemire, Mark A. Hansen | 2018-11-20 |
| 8950401 | Self-contained breathing system | James W. Teetzel, Gary M. Lemire, Mark A. Hansen | 2015-02-10 |
| 8113198 | Self-contained breathing system | James W. Teetzel, Gary M. Lemire, Mark A. Hansen | 2012-02-14 |
| 7647927 | Self-contained breathing system | James W. Teetzel, Gary M. Lemire, Mark A. Hansen | 2010-01-19 |