Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671592 | Autonomous vehicular appliance, especially vacuum cleaner | David Lindsey Bisset | 2003-12-30 |
| 6605156 | Robotic floor cleaning device | David Lindsey Bisset, Michael David Aldred | 2003-08-12 |