Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7542830 | Method for maintaining geometry of ballasted railroad track | — | 2009-06-02 |
| 7206727 | Method for designing generalized spirals, bends, jogs, and wiggles for railroad tracks and vehicle guideways | — | 2007-04-17 |
| 7027966 | Railroad curve transition spiral design method based on control of vehicle banking motion | — | 2006-04-11 |