Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091225 | Battery charging system having a speaker and a mode changing switch | Tae-Kyoung Kwark | 2000-07-18 |
DK
Deug-Eue Kim
Overall (All Time): #3,621,451 of 4,157,543Top 90%
1
Patents All Time