Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10485393 | Cleaning device | Derek Muir, Andrew Peter Walker, Jack G. Richardson | 2019-11-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10485393 | Cleaning device | Derek Muir, Andrew Peter Walker, Jack G. Richardson | 2019-11-26 |