Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786211 | Filling cavities in mining | Bernd Leutner, Berthold Mueller | 1988-11-22 |
WV
Wilhelm Volkenborn
Overall (All Time): #3,963,329 of 4,157,543Top 100%
1
Patents All Time