Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308159 | Method and apparatus for ticket turn-back capability | — | 2001-10-23 |
| 6122355 | Method and apparatus for portable pay phone | — | 2000-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308159 | Method and apparatus for ticket turn-back capability | — | 2001-10-23 |
| 6122355 | Method and apparatus for portable pay phone | — | 2000-09-19 |