Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D724191 | Air cleaner | Joonggil Yoo, Sangyoon Lee, Ilseop So, Eugene Suh | 2015-03-10 |
| D708728 | Air cleaner | Joonggil Yoo, Sangyoon Lee, Ilseop So, Eugene Suh | 2014-07-08 |
| D672491 | Head for streetlight | Daekee Shin, Yongduk Cha | 2012-12-11 |