Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091404 | Trackball for a portable computer | Seung Seog Hong, Sang Cheon Hyun | 2000-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091404 | Trackball for a portable computer | Seung Seog Hong, Sang Cheon Hyun | 2000-07-18 |