Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168850 | Load adjustment device | Matthias Zentgraf | 1992-12-08 |
| 5161508 | Load adjustment device | Matthias Zentgraf, Peter Volz | 1992-11-10 |
| 5148790 | Load adjustment device | Manfred Pfalzgraf | 1992-09-22 |
| 5141070 | Engine loading device with electric and mechanical control of a throttle valve | Manfred Pfalzgraf, Milan Hrusovsky, Peter Volz | 1992-08-25 |
| 5036813 | Load-shifting device | Manfred Pfalzgraf, Eberhard Mausner | 1991-08-06 |
| 5035213 | Load-shifting device | Manfred Pfalzgraf, Eberhard Mausner | 1991-07-30 |
| 5027766 | Load adjustment device | Matthias Zentgraf | 1991-07-02 |
| 4953529 | Load-shifting device | Manfred Pfalzgraf, Eberhard Mausner | 1990-09-04 |
| 4896640 | Load setting device | Manfred Pfalzgraf | 1990-01-30 |
| 4848297 | Arrangement for an automotive vehicle particularly a linkage system | Manfred Pfalzgraf | 1989-07-18 |