Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415751 | Gas exchange valve control for internal combustion engines with an electromagnetic actuator, equipped with gas springs | Frank Meissner | 2002-07-09 |
HS
Hans-Joerg Steffens
Overall (All Time): #3,550,345 of 4,157,543Top 90%
1
Patents All Time