Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751644 | Three-dimensional rigid ball driving system | Dae Kwan Kim, Wooyong Kang, Yong Bok Kim, Hong-Taek Choi | 2017-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751644 | Three-dimensional rigid ball driving system | Dae Kwan Kim, Wooyong Kang, Yong Bok Kim, Hong-Taek Choi | 2017-09-05 |