Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605128 | Method and arrangement for idle adjustment of an internal combustion engine | Claus-Dieter Nusser | 1997-02-25 |
HS
Helmut Sperling
Overall (All Time): #3,710,612 of 4,157,543Top 90%
1
Patents All Time