Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676367 | Regenerative pumps | — | 2004-01-13 |
| 6422808 | Regenerative pump having vanes and side channels particularly shaped to direct fluid flow | Robert Czarnowski | 2002-07-23 |
| 5527149 | Extended range regenerative pump with modified impeller and/or housing | Robert Czarnowski | 1996-06-18 |