Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7164975 | Geometric track and track/vehicle analyzers and methods for controlling railroad systems | — | 2007-01-16 |
| 6681160 | Geometric track and track/vehicle analyzers and methods for controlling railroad systems | — | 2004-01-20 |
| 6347265 | Railroad track geometry defect detector | — | 2002-02-12 |
| 5445036 | Torque sensor | Ivar Hordnes, Sheldon I. Green | 1995-08-29 |