Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9321291 | Determining survival state of print head | Xuan Chen, Chang Rui Ren, Fei Liu | 2016-04-26 |
| 9227448 | Determining survival state of print head | Xuan Chen, Chang Rui Ren, Fei Liu | 2016-01-05 |