Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279235 | Apparatus for fixing the composition of the gas content of internal combustion engine cylinders | Ulrich Flaig, Gerhard Stumpp, Wolf Wessel | 1981-07-21 |
FP
Fridolin Piwonda
Overall (All Time): #4,093,411 of 4,157,543Top 100%
1
Patents All Time