Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9955833 | Vacuum cleaner | Changook Lee, Gunho Ha | 2018-05-01 |
| 9631336 | Screw anchor pile for earth reinforcement and manufacturing method for the same | — | 2017-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9955833 | Vacuum cleaner | Changook Lee, Gunho Ha | 2018-05-01 |
| 9631336 | Screw anchor pile for earth reinforcement and manufacturing method for the same | — | 2017-04-25 |