Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D870991 | Sweeper | — | 2019-12-24 |
| D867703 | Palm scrubber | Stephen Houghton, Martin Harnett, Robert P. Welsh, Lea Kobeli, Edward Wilson Licitra +2 more | 2019-11-19 |
| D866189 | Turbo scrubber | Stephen Houghton, Graeme Crawley, Martin Harnett, Robert P. Welsh, Lea Kobeli +3 more | 2019-11-12 |
| D866897 | Pole scrubber | Stephen Houghton, Martin Harnett, Robert P. Welsh, Lea Kobeli, Edward Wilson Licitra +2 more | 2019-11-12 |
| D862817 | Scrubber | Stephen Houghton, Martin Harnett, Robert P. Welsh | 2019-10-08 |