Verifying digital signatures using a postal security device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 27, 2002
app pub date -
Sep 10, 2001
filing date -
Sep 11, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for verifying printed indicia. The system comprises an indicia generating apparatus adapted to create digitally signed indicia on an item having an associated value and an indicia verifying apparatus adapted to read the indicia on the item and verify that the item is valid. The item can be used as payment for a good or service.
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