Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908204 | Apparatus for interchanging welding tips of spot welding gun | Seung-Hae Lee, Joo-Hyun Lee | 2018-03-06 |
| 9744626 | Apparatus for changing welding tip | Seung-Hae Lee, Joo-Hyun Lee | 2017-08-29 |