Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126721 | Flame quality monitor system for fixed firing rate oil burners | Thomas A. Butcher | 1992-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126721 | Flame quality monitor system for fixed firing rate oil burners | Thomas A. Butcher | 1992-06-30 |