Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671146 | Method for improving the security of postage meter machines | Harald Windel, Frank Reisinger, Ralf Kubatzki, Enno Bischoff, Andreas Wagner +3 more | 1997-09-23 |
| 5602743 | Method for data input into a postage meter machine, arrangement for franking postal matter and for producing a franking design respectively allocated to a cost center | — | 1997-02-11 |