Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7487570 | Apparatus for protecting motor of a vacuum cleaner | Tak-soo Kim, Hyoung Min Cho | 2009-02-10 |
DY
Doo-han Yang
Overall (All Time): #3,317,066 of 4,157,543Top 80%
1
Patents All Time