Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259540 | Data carrier | Wolfram Kocznar, Gerhard Kiska | 1993-11-09 |
| 5202550 | Device for machine communication in data transmission | Wolfram Kocznar | 1993-04-13 |
| 5135095 | Portable hand device for machine processing of data carried on a data carrier | Wolfram Kocznar | 1992-08-04 |
| 5124535 | Control station for data carriers | Wolfram Kocznar | 1992-06-23 |
| 4929821 | Method of forgery-protecting a data carrier, a forgery-protected data carrier and apparatuses for handling, processing and monitoring the data carrier | Wolfram Kocznar | 1990-05-29 |