Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579099 | Fan | Fred A. Brown | 2008-10-21 |
| 7431568 | Draft inducer having a backward curved impeller | Fred A. Brown | 2008-10-07 |
| 7363882 | Condensation removal for use with a draft inducer | Fred A. Brown, Jeffrey From | 2008-04-29 |