Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470675 | Electrochemical cell comprising a hydride-forming intermetallic compound | Robert E. F. Einerhand, Johannes L. C. Daams, Petrus H. L. Notten | 1995-11-28 |
| 4668549 | Optically readable information disc | Petrus E. J. Legierse, George J. P. Dujardin | 1987-05-26 |
| 4446549 | Optically readable information disc and method of manufacturing same | Johan Kloosterboer, Godefridus Melis | 1984-05-01 |
| 4440586 | Method of manufacturing a die for duplicating plastics information carriers | Arnoldus J. M. van den Broek, Adriaan J. G. Op Het Veld, Rinse Dijkstra, Jelis De Jonge | 1984-04-03 |
| 4394438 | Method of manufacturing an optically readable information carrier using deep U.V. radiation | Pieter Van Pelt | 1983-07-19 |
| 4275091 | Method of duplicating plastics information carriers | Arnoldus J. M. van den Broek, Adriaan J. G. Op Het Veld, Rinse Dijkstra, Jelis De Jonge | 1981-06-23 |
| 4272574 | Optically readable information disc | Arnoldus J. M. van den Broek, Rinse Dijkstra | 1981-06-09 |
| 4188433 | Record carrier in disk form having cover layers | Rinse Dijkstra, Arnoldus J. M. van den Broek | 1980-02-12 |