Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401943 | Method and apparatus for shipping electronically stored communications data | Klaus Dietrich, Stephan Gunther, Norbert Knoth, Wolfgang Thiel | 1995-03-28 |
| 5362947 | Method for shipping chip cards | Klaus Dietrich, Stephan Gunther, Norbert Knoth, Wolfgang Thiel | 1994-11-08 |
| 5359359 | Disposable postage meter assembly | Klaus Dietrich, Stephan Gunther, Norbert Knoth, Wolfgang Thiel | 1994-10-25 |
| 5064221 | Method for distinguishing printed originals from copies | Stephan Gunther | 1991-11-12 |
| 4541053 | Electronically controlled postage metering machine and free stamping machine | Norbert Knoth | 1985-09-10 |
| 4352096 | Device for providing a modulo-n check character | Uwe Unglaube | 1982-09-28 |