Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772719 | Hydraulic valve lifter with operating control system | Robert Schmidt, Thomas Stolk, Alexander Von Gaisberg-Helfenberg | 2004-08-10 |
HS
Holger Steffen
Overall (2004): #206,527 of 270,089Top 80%
1
Patents 2004