Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712088 | Method and system for controlling electrical vacuum pump | Sung Woo Lee, Hoon Choi | 2017-07-18 |
| 9606353 | Variable transparency glass and apparatus for adjusting variable transparency glass | Sung Woo Lee, Hoon Choi | 2017-03-28 |