Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10675895 | Tension application device for printer and printer having the same | Gwang Keun Park | 2020-06-09 |
| 10166796 | Tensioning device for printer, unwinding device for printer, and printer | Gwang Keun Park | 2019-01-01 |