Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102030 | Furnace vent and intake terminal and blockage safety shut down system | Michael N. Brown, Dan Dobre | 2000-08-15 |
| 6044835 | Furnace vent and intake terminal and blockage safety shut down system | Michael N. Brown, Dan Dobre | 2000-04-04 |