Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857845 | Independent burner ignition and flame-sense functions | — | 1999-01-12 |
| 5267849 | Spark igniting a fuel burner | — | 1993-12-07 |
| 4750332 | Refrigeration control system with self-adjusting defrost interval | Leonard W. Jenski | 1988-06-14 |
| 4300134 | Automatic resetting anti 2-block crane warning system | — | 1981-11-10 |