Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8856024 | Determining companion and joint cards in transit | Phillip Dixon | 2014-10-07 |
| 7624914 | Validating removable fare collection system | Jeffrey S. Brumfield | 2009-12-01 |
| 7469817 | Validating removable fare collection system | Jeffrey S. Brumfield | 2008-12-30 |