Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801516 | Surface cleaning appliance | Libo Zheng, Yongji Zhou, David John Hawker | 2017-10-31 |
| 9711986 | Vacuum cleaner and a battery pack therefor | David Robert Sunderland, David John Taylor-Pockett | 2017-07-18 |