Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825651 | Device and process for separating soot or other impurities from the exhaust gases of an internal-combustion engine | Herbert A. Puschner | 1989-05-02 |
JF
Johann Furtauer
Overall (1989): #36,874 of 140,708Top 30%
1
Patents 1989