Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714405 | Centrifugal pump | John G. Schaefer, Jerome K. Aarestad | 1987-12-22 |
| 4417851 | Modulated diffuser pump | John E. Cygnor, Duane C. Mosure | 1983-11-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714405 | Centrifugal pump | John G. Schaefer, Jerome K. Aarestad | 1987-12-22 |
| 4417851 | Modulated diffuser pump | John E. Cygnor, Duane C. Mosure | 1983-11-29 |