Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460990 | Apparatus for reading an optical record carrier | — | 1984-07-17 |
| 4423496 | Apparatus for reading and/or writing an optically readable information structure | Gerard E. Van Rosmalen | 1983-12-27 |
| 4374324 | Optical focussing device with inclination detection | Gerard E. Van Rosmalen | 1983-02-15 |
| 4270045 | Apparatus for reading an optical radiation-reflecting information carrier for controlling focus | Peter Greve | 1981-05-26 |
| 4253019 | Apparatus for reading an optical record carrier having a radiation-reflecting information structure | Jan Evert Van Der Werf | 1981-02-24 |