Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866995 | Device for taking samples from a catalyst block of a catalytic converter | Heinz Kaiser, Werner Ruhl | 1989-09-19 |
AK
Andrea Kohler
Overall (1989): #131,907 of 140,708Top 95%
1
Patents 1989