Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389719 | Optically readable information disk | Hendricus C. A. M. Heinemans, Petrus E. J. Legierse | 1983-06-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389719 | Optically readable information disk | Hendricus C. A. M. Heinemans, Petrus E. J. Legierse | 1983-06-21 |