Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907846 | Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal | Youn-cheol Shin | 2005-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907846 | Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal | Youn-cheol Shin | 2005-06-21 |