Enno Bischoff

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving the security of postage meter machines in the...
- Patent number 6,587,843
- Issue date Jul 1, 2003
- Francotyp Postalia AG & Co.
- George G. Gelfer
- G07 - CHECKING-DEVICES
Information Patent Grant
Method of improving the security of postage meter machines
- Patent number 5,805,711
- Issue date Sep 8, 1998
- Francotyp Postalia AG & Co.
- Harald Windel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for payment of the recrediting of an electronic postage mete...
- Patent number 5,729,460
- Issue date Mar 17, 1998
- Francotyp Postalia AG & Co.
- Margaret Plett
- G07 - CHECKING-DEVICES
Information Patent Grant
Method for improving the security of postage meter machines
- Patent number 5,671,146
- Issue date Sep 23, 1997
- Francotyp-Postalia GmbH
- Harald Windel
- G06 - COMPUTING CALCULATING COUNTING