Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5572968 | Internal-combustion engine having an oil return system | Hans-Joachim Esch, Albrecht Reustle | 1996-11-12 |
WD
Winifried Distelrath
Overall (All Time): #3,756,781 of 4,157,543Top 95%
1
Patents All Time