Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |