Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9383829 | Hand-held combination key apparatus and method for inputting information by hand-held combination key apparatus | Xiqing Liu, Qiong Wang, Zheng Wang, Liming Zhao, Bushan Liu | 2016-07-05 |