Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482432 | Bearingless automotive coolant pump with in-line drive | Verle Propst | 1996-01-09 |
| 5275538 | Electric drive water pump | Verle Propst | 1994-01-04 |
| 5181346 | Thru-feed lapping apparatus | Robert Casadonte, Ronald R. Reinke | 1993-01-26 |
| 4925367 | Engine block water pump assembly | Keith Hale, Verle Propst | 1990-05-15 |
| 4746270 | Engine water pump assembly and method of making same | Keith Hale, Verle Propst | 1988-05-24 |