Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229311 | Lubricating oil additives | Franz Wenzel, Ulrich Schoedel, Heinz Jost | 1980-10-21 |
HP
Hans Pilz
Overall (All Time): #4,122,238 of 4,157,543Top 100%
1
Patents All Time