Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875449 | Arrangement for prevention of troublesome load change shocks in an internal combustion engine serving to propel a vehicle | Karl-Martin Kramer | 1989-10-24 |
RD
Richard Dorenkamp
Overall (1989): #66,236 of 140,708Top 50%
1
Patents 1989