Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021655 | Vacuum cleaning appliance | Spencer James Robert Arthey | 2015-05-05 |
| 8739361 | Vacuum cleaning head | David Andrew McLeod, Matthew John Dobson, Spencer James Robert Arthey | 2014-06-03 |
| 8567003 | Vacuum cleaning appliance | David Andrew McLeod, Matthew John Dobson, Spencer James Robert Arthey | 2013-10-29 |