Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801516 | Surface cleaning appliance | Yongji Zhou, James Douglas Chisholm, David John Hawker | 2017-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801516 | Surface cleaning appliance | Yongji Zhou, James Douglas Chisholm, David John Hawker | 2017-10-31 |