Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844691 | Centrifugal liquid pump with cavitation surge suppression | John H. Hallman, Peter Brian Macfarlane Thomas | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844691 | Centrifugal liquid pump with cavitation surge suppression | John H. Hallman, Peter Brian Macfarlane Thomas | 1989-07-04 |