Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D580490 | Pen | — | 2008-11-11 |
| D580493 | Pen | — | 2008-11-11 |
| D580491 | Pen | — | 2008-11-11 |
| D579977 | Pen | — | 2008-11-04 |
| D576213 | Mechanical pencil | — | 2008-09-02 |
| D573640 | Pen | Zhiming Qiu | 2008-07-22 |
| D559318 | Pen | Zhiming Qiu | 2008-01-08 |