Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579496 | Pen | Zhiming Qiu | 2008-10-28 |
| D573185 | Pen | Zhiming Qiu | 2008-07-15 |
| D566179 | Pen | Zhiming Qiu | 2008-04-08 |
| D559315 | Pen | Zhiming Qiu | 2008-01-08 |
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579496 | Pen | Zhiming Qiu | 2008-10-28 |
| D573185 | Pen | Zhiming Qiu | 2008-07-15 |
| D566179 | Pen | Zhiming Qiu | 2008-04-08 |
| D559315 | Pen | Zhiming Qiu | 2008-01-08 |