Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911217 | Internally mounted flue damper with exterior free-standing damper drive | Gary S. Threatt | 1999-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911217 | Internally mounted flue damper with exterior free-standing damper drive | Gary S. Threatt | 1999-06-15 |