Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Validating removable fare collection system

Validating removable fare collection system

US Patent 7469817 · Granted Dec 30, 2008

Estimated economic value: $7,986,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Determining companion and joint cards in transit2014
Validating removable fare collection system2009
Validating removable fare collection system2009
Distance measuring device utilizing semiconductor laser1993