Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7789052 | Variable valve actuator having self-centering pivotal piston | Anthony K. Chan, John Nguyen, John Stephen Pipis, Jr. | 2010-09-07 |
| 6904892 | Compression release brake system | Homa Afjeh, John Stephen Pipis, Jr. | 2005-06-14 |
| 6718846 | Apparatus for aligning a bearing member with an actuator | — | 2004-04-13 |
| 6062881 | Electrical plug with retractible blade cover member | — | 2000-05-16 |