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| Number | Title | Issue Date |
| 6135745 | Vane actuation mechanism for an axial vane rotary device A vane actuation mechanism for an axial vane rotary device includes a cylindrical outer housing that defines an internal cylindrical chamber. A rotor assembly having a drive shaft is rotatably mounted within the internal cylindrical chamber. A cylindrical... | 10/24/2000 |
| 6007126 | Stationary, slow speed and uni-directional lockout for differential action railroad car wheelsets A railroad car wheelset has an axle with one wheel rigidly attached as in conventional railroad practice. This wheel is permitted to rotate by journal bearings. At the other wheel, the axle is provided with a smooth surface and a self-lubricating bearing ... | 12/28/1999 |
