Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8265246 | Device and method for implementing a coloring ring back tone service and device for acquiring a coloring ring back tone file | — | 2012-09-11 |
SZ
Sifang Zhang
Overall (All Time): #3,222,423 of 4,157,543Top 80%
1
Patents All Time