Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139413 | Pilot burner safety device with methods of ambient air flow regulation into a flame nozzle | Hong Rak Son | 1992-08-18 |
| 5097818 | Structure of gas governor | Seung Hyuk Kim | 1992-03-24 |
| 5090899 | All-primary type gas burner | — | 1992-02-25 |