Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8795401 | Filter with cyclone separation means | John Edward Charles Gwynn, John McCallum, David Mitchell, Maciej Adrian Zyga | 2014-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8795401 | Filter with cyclone separation means | John Edward Charles Gwynn, John McCallum, David Mitchell, Maciej Adrian Zyga | 2014-08-05 |