Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630199 | Reciprocation brush contact charger | — | 1997-05-13 |
KT
Ki-Jae To
Overall (1997): #117,745 of 185,788Top 65%
1
Patents 1997