Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D905361 | Trigger lock for vacuum cleaner | — | 2020-12-15 |
| 10576738 | Calibration method and calibration device for volume of ink droplet, printing apparatus | Dejiang Zhao | 2020-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D905361 | Trigger lock for vacuum cleaner | — | 2020-12-15 |
| 10576738 | Calibration method and calibration device for volume of ink droplet, printing apparatus | Dejiang Zhao | 2020-03-03 |