Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6088916 | Method of making a pump having relief valve seat free of direct structural restraint | John Zavisa | 2000-07-18 |
| 5919033 | Pump having relief valve seat free of direct structural restraint | John Zavisa | 1999-07-06 |