Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992630 | System and method for pre-cooling of buildings | David A. Springer | 2011-08-09 |
| 7398821 | Integrated ventilation cooling system | David A. Springer | 2008-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992630 | System and method for pre-cooling of buildings | David A. Springer | 2011-08-09 |
| 7398821 | Integrated ventilation cooling system | David A. Springer | 2008-07-15 |