Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668549 | Optically readable information disc | Gerardus J. M. Lippits, Petrus E. J. Legierse | 1987-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668549 | Optically readable information disc | Gerardus J. M. Lippits, Petrus E. J. Legierse | 1987-05-26 |