Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11932301 | Hygienic cover for automobile | Chang Deuk Woo | 2024-03-19 |
| 11285975 | Self-generating device and mechanical system using the same | Chang Deuk Woo | 2022-03-29 |
| D362603 | Wrench | — | 1995-09-26 |
| 5251518 | Pipe wrench | — | 1993-10-12 |