Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623572 | Double-deck videocassette recorder | — | 1997-04-22 |
SK
Sang-ook Kim
Overall (All Time): #3,714,472 of 4,157,543Top 90%
1
Patents All Time