Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896618 | Vacuum cleaner | Jeong-gon Song, Sung-Lo Cho | 1999-04-27 |
| 5386613 | Water and air separating mechanism | — | 1995-02-07 |
HW
Han-Jin Woo
Kwangju Electronics Co.: 1 patents #9 of 31Top 30%
Overall (All Time): #2,248,686 of 4,157,543Top 55%
2
Patents All Time