Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373496 | Apparatus for controlling an exhaust recirculation device in internal combustion engines | Max Greiner, Klaus Krieger, Gottfried Schiller, Ludwig Walz | 1983-02-15 |
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Wolf-Rudiger Walk
Overall (All Time): #4,048,658 of 4,157,543Top 100%
1
Patents All Time