Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454417 | Rooftop exhaust fan having a mechanism for locking the fan in an open position | Kyle D. Thompson | 2022-09-27 |
| 11353224 | Rooftop exhaust system with automatic motor lockout | Nicholas I. Perry, William Brian Griffin | 2022-06-07 |
| 11353237 | Exhaust fan assembly having a system for automatically opening a damper in the event of a power failure | — | 2022-06-07 |
| 11204177 | Exhaust fan for a commercial kitchen | Patrick E. McElrone | 2021-12-21 |