Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894773 | Sweeping machine | Andrew Francis Robert Galashan | 2014-11-25 |
| 8714291 | Cleaning machine | — | 2014-05-06 |
| 7735176 | Sweeping machine with variable wheel tracking | — | 2010-06-15 |
| 7712181 | Hopper opening mechanism | — | 2010-05-11 |
| 5791315 | Control system for screw type supercharging apparatus | John McGruer | 1998-08-11 |