Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421291 | Process for local hardening | Hermann Autenrieth, Michael Cesinger, Thomas Waldenmaier | 2022-08-23 |
| 5805711 | Method of improving the security of postage meter machines | Harald Windel, Frank Reisinger, Claus Freytag, Ralf Kubatzki, Stephan Gunther +5 more | 1998-09-08 |
| 5707158 | Method for generating a print format that is printed onto a carrier in a postage meter machine | Norbert Knoth, Peter Rieckhoff | 1998-01-13 |
| 5671146 | Method for improving the security of postage meter machines | Harald Windel, Frank Reisinger, Claus Freytag, Ralf Kubatzki, Enno Bischoff +3 more | 1997-09-23 |