Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336083 | Ink cartridge chip, ink cartridge and operation method for giving response to printing work | Zhengdong Zhang, Yun Sun | 2019-07-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336083 | Ink cartridge chip, ink cartridge and operation method for giving response to printing work | Zhengdong Zhang, Yun Sun | 2019-07-02 |