Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170259 | Emission control system for an internal-combustion engine | Walter Boegner, Bernd Krutzsch, Dirk Voigtlaender, Guenter Wenninger, Friedrich Wirbeleit | 2001-01-09 |
KH
Karl-Ernest Haak
Overall (All Time): #3,568,598 of 4,157,543Top 90%
1
Patents All Time