Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918756 | System and methods for modulating gas input to a gas burner | Thomas J. Fredricks, Donald E. Donnelly | 2005-07-19 |
| 6749423 | System and methods for modulating gas input to a gas burner | Thomas J. Fredricks, Donald E. Donnelly | 2004-06-15 |