Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477573 | Oscillation generator for seismic applications | Stefan Cramm | 2009-01-13 |
| 5067563 | Spillproof oil well seal | — | 1991-11-26 |
| 4894099 | Method for influencing the internal stress state of solid railroad wheels | Werner Mombrei, Peter Ottlinger, Klaus Wuchter, Gunter Schulz | 1990-01-16 |