Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D478104 | Cutting wheel | Chang Bong Jung | 2003-08-05 |
| D465502 | Cutting wheel | Chang Bong Jung | 2002-11-12 |
| D465503 | Cutting wheel | Chang Bong Jung | 2002-11-12 |
| D465231 | Cutting wheel | Chang Bong Jung | 2002-11-05 |