Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021469 | Control methods for an air treatment system | Thomas Jay Leppien, Gregory K. Evans | 2011-09-20 |
| 7888614 | Control panel assembly | Bradley J. Pippel, Terry L. Lautzenheiser | 2011-02-15 |