Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309460 | Ball bearing | Yong Bok Lee, Bok Seong Choe, Jeon Kook Lee | 2019-06-04 |
| 10243257 | Portable electronic device cover | Wonseok Jeong, Donghwan Kim, Bumjin CHO, Donguk CHOI | 2019-03-26 |