Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918759 | Premixed combustion gas burner having separated fire hole units | Seung Beom Cho | 2005-07-19 |
| 6916175 | Combustion gas burner enabling multi-stage control | Seung Beom Cho, Hyun Jin Lee | 2005-07-12 |