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, Andrea Kohler | 1989-09-19 |
WR
Werner Ruhl
Overall (1989): #45,053 of 140,708Top 35%
1
Patents 1989