Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359743 | Manufacturing method of valve sealant fitting | Seong Cheol Han | 2013-01-29 |
| 8205639 | Valve sealant fitting | Seong Cheol Han, Dong Seok Chung | 2012-06-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359743 | Manufacturing method of valve sealant fitting | Seong Cheol Han | 2013-01-29 |
| 8205639 | Valve sealant fitting | Seong Cheol Han, Dong Seok Chung | 2012-06-26 |