Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850775 | Screw-type fastening device | Jae-Beom Lee | 1989-07-25 |
| 4810149 | Screw-type fastening device | Jae-Beom Lee | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850775 | Screw-type fastening device | Jae-Beom Lee | 1989-07-25 |
| 4810149 | Screw-type fastening device | Jae-Beom Lee | 1989-03-07 |