Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571000 | Booster pump with bypass valve integrally formed in gasket | Oskar Zimmermann | 1996-11-05 |
| 5476367 | Booster pump with sealing gasket including inlet and outlet check valves | Oskar Zimmermann, Lloyd D. Golobay | 1995-12-19 |
| 5256279 | Liquid storage system with unpressurized reservoir engagable with level sensors | Robert S. Bosko | 1993-10-26 |