Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664469 | Wheelset aligning technique for wheelset truing machinery and wheelset aligning device | Hans J. Naumann, Reinhard Robotta, Gunter Schroter | 1997-09-09 |
| 5600235 | Bipolar cascadable circuit configuration for signal limitation and field intensity detection | — | 1997-02-04 |