Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187361 | Pipe coupler having function of covering pipe | — | 2021-11-30 |
| 11103932 | Cutting head operated by centrifugal force and cutting apparatus including the same | Jong-Kweon Park | 2021-08-31 |