Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377960 | Cyclonic separator with secondary vortex break | William J. Nelgner | 2008-05-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377960 | Cyclonic separator with secondary vortex break | William J. Nelgner | 2008-05-27 |