Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847946 | Hydraulic door closer | Sun O. Nam, Jae-young Yoo | 1989-07-18 |
| D285166 | Multi-purpose detachable scissors-type of tool | — | 1986-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847946 | Hydraulic door closer | Sun O. Nam, Jae-young Yoo | 1989-07-18 |
| D285166 | Multi-purpose detachable scissors-type of tool | — | 1986-08-19 |