Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991131 | Control of prepaid balance status notification | William Dale Bartter, Yigang Cai | 2011-08-02 |
WU
Werner Ulrich
Overall (2011): #132,473 of 364,097Top 40%
1
Patents 2011