Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10557387 | Internal combustion engine comprising a valve train with valve springs and method for mounting such a valve spring | Rainer Friedfeldt, Ulrich Heiter | 2020-02-11 |
PB
Peter Borkenhagen
Overall (All Time): #2,774,624 of 4,157,543Top 70%
1
Patents All Time