Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671456 | Air modulated in duct humidification and evaporative cooling system | Dean S. Herr | 1987-06-09 |
| 4572428 | In duct atomizing humidification and evaporative cooling system | Dean S. Herr | 1986-02-25 |