Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D533091 | Heating, ventilating and air conditioning controller | Carl L. Garrett, Robert W. Helt, Timothy Wayne Storm, Dale C. Cotton, Amy N. Sorensen +1 more | 2006-12-05 |
| 6723150 | Air filter with expandable filter media | — | 2004-04-20 |