Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398873 | Device for sealing the penetration of drive shaft/housing in rotary pumps for liquids, especially oil pumps for motor vehicles | — | 1983-08-16 |
ES
Ekkehard Siegel
Overall (All Time): #4,056,121 of 4,157,543Top 100%
1
Patents All Time