Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934458 | Railway bogie | Volker Gedenk, Friedrich Hoppmann, John Skiller | 2011-05-03 |
| 4679458 | Worm gear | Manfred Brandenstein, Norbert Klupfel, Gebhard Pape, Roland Haas | 1987-07-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934458 | Railway bogie | Volker Gedenk, Friedrich Hoppmann, John Skiller | 2011-05-03 |
| 4679458 | Worm gear | Manfred Brandenstein, Norbert Klupfel, Gebhard Pape, Roland Haas | 1987-07-14 |