Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466892 | Backdraft damper having damper blades with opposed movement linkage | Stephen Dane Carey | 2022-10-11 |
| 10816237 | Backdraft damper having damper blades with opposed movement linkage | Stephen Dane Carey | 2020-10-27 |