Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131090 | Method and system for providing controlled access to information stored on a portable recording medium | Joonho Lee, Chunhua Li | 2000-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131090 | Method and system for providing controlled access to information stored on a portable recording medium | Joonho Lee, Chunhua Li | 2000-10-10 |