Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137789 | Vent for reducing seal pressure in pump assembly | John K. Apostolides, John J. McCosby | 2006-11-21 |
| 6544008 | Internal vent for reducing seal pressure in prelubrication pump assembly | John K. Apostolides, John J. McCosby | 2003-04-08 |
| 6461118 | Oil pump by-pass valve for an internal combustion engine | John K. Apostolides | 2002-10-08 |