Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099295 | Power phase regulator circuit improvement motor start switch self-adjusting preheat and ignition trial improvement and series-type voltage regulator improvement to hot surface ignition controller for fuel oil burner | Gregory L. Sibalich | 2000-08-08 |
| 5899684 | Power phase regulator circuit improvement, motor start switch, self-adjusting preheat and ignition trial improvement, and series-type voltage regulator improvement to hot surface ignition control for fuel oil burner | Gregory L. Sibalich | 1999-05-04 |
| 5567144 | Hot surface ignition controller for fuel oil burner | — | 1996-10-22 |
| 5470223 | Microprocessor controlled fuel and ignition control for a fuel burning device | — | 1995-11-28 |