Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467279 | Liquid secondary cooling system | Thomas J. Backman | 2002-10-22 |
| 6321551 | Series secondary cooling and dehumidification system for indoor ice rink facilities | Thomas J. Backman | 2001-11-27 |