Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659018 | Stop mechanism with dual pawls for gear operated door | — | 2003-12-09 |
| 6647896 | Greaseless hanger assembly for a railcar door | Scot J. Nottingham | 2003-11-18 |
| 6601179 | Circuit and method for controlling power and performance based on operating environment | Stephen P. Nachtsheim, Taufik Ma | 2003-07-29 |