Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440586 | Method of manufacturing a die for duplicating plastics information carriers | Gerardus J. M. Lippits, Arnoldus J. M. van den Broek, Adriaan J. G. Op Het Veld, Rinse Dijkstra | 1984-04-03 |
| 4275091 | Method of duplicating plastics information carriers | Gerardus J. M. Lippits, Arnoldus J. M. van den Broek, Adriaan J. G. Op Het Veld, Rinse Dijkstra | 1981-06-23 |