Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073472 | System and method for providing prepaid billing for instant messaging users | Mingzhe Zhuang, Francisco Jose Kattan | 2011-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073472 | System and method for providing prepaid billing for instant messaging users | Mingzhe Zhuang, Francisco Jose Kattan | 2011-12-06 |