Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12169076 | Hydronic air-handler devices and systems | Michael A. Garrabrant, David M. Firestine, Joseph A. Newland, Adam Roberts | 2024-12-17 |
| 11162719 | Electronic expansion valves having multiple orifice plates | Michael A. Garrabrant, Roger E. Stout, Christopher Keinath, Paul Eric Glanville | 2021-11-02 |