Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661710 | Record carrier, recording device and reading device | Gerard E. Van Rosmalen | 1997-08-26 |
| 5633851 | A scanning device producing a first and a second scanning spot which move in different directions and an apparatus containing that device which uses the first spot for reading and/or recording and the second spot to monitor such reading and/or recording | Gerard E. Van Rosmalen | 1997-05-27 |