Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138988 | Intake duct | Winfried Distelrath | 1992-08-18 |
| 5050566 | Flow duct for an internal combustion engine | Winfried Distelrath | 1991-09-24 |
RZ
Roland-Dieter Zebli
Overall (All Time): #2,311,169 of 4,157,543Top 60%
2
Patents All Time