Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514181 | Counterweighted backdraft damper blade with improved airflow profile | Stephen Dane Carey | 2019-12-24 |
| 10222089 | Damper with integrated blade stop | Stephen Dane Carey | 2019-03-05 |