Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D577065 | Pen | Zhiming Qiu | 2008-09-16 |
| D576210 | Pen | Zhiming Qiu | 2008-09-02 |
| D567857 | Pen | Zhiming Qiu | 2008-04-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D577065 | Pen | Zhiming Qiu | 2008-09-16 |
| D576210 | Pen | Zhiming Qiu | 2008-09-02 |
| D567857 | Pen | Zhiming Qiu | 2008-04-29 |