Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666805 | Emission control system for internal-combustion engines | Juergen Bloedel-Pawlik, Wolfgang Fanese, Rudolf Flierl, Enrique Santiago, Bernhard Grescher | 1997-09-16 |
EK
Ernst Krieger
Overall (1997): #154,580 of 185,788Top 85%
1
Patents 1997