Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656770 | Method for testing a spark-ignited internal combustion engine | Uwe Fischer | 1997-08-12 |
KD
Karl-Heinz Dittmann
Overall (1997): #123,640 of 185,788Top 70%
1
Patents 1997