Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647954 | Method and system of improving engine braking by variable valve actuation | Zhou Yang | 2003-11-18 |
| 6321701 | Lost motion valve actuation system | Joseph M. Vorih | 2001-11-27 |
| 6112710 | Method and system start-up apparatus for removing air and debris from a valve actuation system | Kevin J. Kinerson, Joseph M. Vorih | 2000-09-05 |
| 5622176 | Method for determining the risk of trisomy 21 in the second trimester | Anthony M. Vintzileos | 1997-04-22 |