Issued Patents 2020
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 | Peter Borkenhagen, Ulrich Heiter | 2020-02-11 |
RF
Rainer Friedfeldt
Overall (2020): #308,774 of 565,922Top 55%
1
Patents 2020