Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11241663 | High efficiency, non-ragging, formed axial impeller | Robert W. Higbee, Wojciech Wyczalkowski | 2022-02-08 |
| 9962665 | High efficiency, non-ragging, formed axial impeller | Robert W. Higbee, Wojciech Wyczalkowski | 2018-05-08 |