Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477328 | Optically readable information disk and method of manufacturing same | Egbert Broeksema | 1984-10-16 |
| 4395211 | Method and device for manufacturing a plastic record carrier | Egbert Broeksema | 1983-07-26 |
| 4301099 | Method and device for manufacturing a plastics record carrier | Egbert Broeksema | 1981-11-17 |