Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084604 | Method of severing a plate of brittle material | Jacob N. Dekker, Maarten H. Zonneveld, Ireneus H. T. Fierkens, Theodorus J.M.J. Van Gennip | 1992-01-28 |
| 5022769 | Static bearing | Johannes Jacobs | 1991-06-11 |
| 4569806 | Method and device for manufacturing an information carrier of a synthetic material having a laminated structure | — | 1986-02-11 |
| 4450553 | Multilayer information disc | Johannes M. Wittkamper | 1984-05-22 |
| 4219321 | Device for making discs | Adam Ooms | 1980-08-26 |