Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145739 | System and method for performing transactions and an intelligent device therefor | Johannes Marinus George Bertina | 2000-11-14 |
| 6095412 | Host and user transaction system | Johannes Marinus George Bertina | 2000-08-01 |
| 6091817 | Host and user transaction system | Johannes Marinus George Bertina | 2000-07-18 |
| 5682027 | System and method for performing transactions and a portable intelligent device therefore | Johannes Marinus George Bertina | 1997-10-28 |