Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014088 | Method and system for contactless exchange of data between a read/write unit and one or more information carriers | Dirk Langedijk, Jan Peter Exalto | 2000-01-11 |
| 5321395 | System providing verified information exchange between an electronic record carrier and a read/write unit | — | 1994-06-14 |
| 5113432 | Arrangement for connecting a telefax device or a telephone set to a telecommunication line | Willem H. De Vries | 1992-05-12 |