Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818857 | Method and apparatus for welding | Heung Ki Cho | 2004-11-16 |
| 6654467 | Active noise cancellation apparatus and method | Heung Ki Cho | 2003-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818857 | Method and apparatus for welding | Heung Ki Cho | 2004-11-16 |
| 6654467 | Active noise cancellation apparatus and method | Heung Ki Cho | 2003-11-25 |