Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221156 | Hydraulic lifting device for harvesting machines | Wilhelm Zirps | 1980-09-09 |
HP
Hugo Preun
Overall (All Time): #4,119,165 of 4,157,543Top 100%
1
Patents All Time