Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787068 | Method and arrangement for preventing unauthorized duplication of optical discs using barriers | Mark A. Arps | 1998-07-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787068 | Method and arrangement for preventing unauthorized duplication of optical discs using barriers | Mark A. Arps | 1998-07-28 |