Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441206 | Mobile machine for processing raw mineral ores in-situ | Robert Conraud | 1995-08-15 |
| 4881691 | Transfer station with lifting devices | Michael Oldengott, Peter Stephan | 1989-11-21 |
| 4669674 | Feeder box for a mobile transfer station | Michael Oldengott, Peter Stephan | 1987-06-02 |