Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689497 | Optical registration medium with dual information layer | Hermanis J. H. Wilting, Johannes C. N. Rijpers | 1997-11-18 |
| 5045373 | Laminated product, compound used in the laminated product and optical information carrier provided with the laminated product | Martinus Maria Sens, Theodorus C. J. M. Bertens, Hendricus F. J. J. Van Tongeren | 1991-09-03 |