Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714883 | Bearing test apparatus for testing durability of bearing | Yong Bok Lee, Jeon Kook Lee, Sol-Ji Ryu, Byoungkuk Lee | 2017-07-25 |
| 9004765 | Air foil bearing having pressure dam | Yong Bok Lee, Se Na Jeong | 2015-04-14 |