Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9179640 | Individual room duct and ventilation system for livestock production building | Michael Lemmon | 2015-11-10 |
| 6491580 | Individual room duct and ventilation system for livestock production building | Michael Lemmon | 2002-12-10 |
| 6321687 | Individual room duct and ventilation system for livestock production building | Michael Lemmon | 2001-11-27 |