Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Postage metering system having currency compatibility security feature

Postage metering system having currency compatibility security feature

US Patent 6154734 · Granted Nov 28, 2000

Estimated economic value: $47,839,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system to protect and track data from multiple meters on a removable 2011
System and method for using divided fonts to achieve proportional spacing2011
Method for dynamically using cryptographic keys in a postage meter2005
Mail receipt terminal having deposit tracking capability2005
Method and apparatus for ensuring for the correct accounting of postage dispense2000
Electronic postage meter system having plural clock system providing enhanced se1999
Electronic postage meter system having plural clock system providing enhanced se1999
Multi function sensing device for printing apparatus1998
Value dispensing mechanism, such as a postage meter, having automatic display/pr1998
Encoded screen records for international postage meters1997
Production of negative ions of hydrogen1983