Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971392 | Opening and closing device for lift-up sliding doors and windows | — | 2011-07-05 |
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Song-Won Seo
Overall (All Time): #3,254,941 of 4,157,543Top 80%
1
Patents All Time