Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7370486 | Air-treatment system with secondary circuit | Mark Grimm, Dan Alan Spurgeon, Norval P. Thomson, Ryan Patrick McEnaney | 2008-05-13 |
| 7189158 | Airflow control system | Ryan Patrick McEnaney, Jeffrey A. Brush, Daniel E. Zimmermann | 2007-03-13 |