Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885493 | Flue damper with a drainage port | Mark R. Lundberg, Cory A. Weiss | 2024-01-30 |
| 11703221 | Flue damper having a float coupled to a damper gate | Mark R. Lundberg, Cory A. Weiss, Takashi Nozaki | 2023-07-18 |