Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440586 | Method of manufacturing a die for duplicating plastics information carriers | Gerardus J. M. Lippits, Adriaan J. G. Op Het Veld, Rinse Dijkstra, Jelis De Jonge | 1984-04-03 |
| 4275091 | Method of duplicating plastics information carriers | Gerardus J. M. Lippits, Adriaan J. G. Op Het Veld, Rinse Dijkstra, Jelis De Jonge | 1981-06-23 |
| 4272574 | Optically readable information disc | Gerardus J. M. Lippits, Rinse Dijkstra | 1981-06-09 |
| 4259435 | Additive method of manufacturing metal patterns on synthetic resin substrates | Dirk Jan Broer | 1981-03-31 |
| 4188433 | Record carrier in disk form having cover layers | Rinse Dijkstra, Gerardus J. M. Lippits | 1980-02-12 |