|
US4221521A
|
|
Apparatus for loosening frozen coal in hopper cars
|
|
US4103817A
|
|
Railway hopper car door frame assembly
|
|
US3945684A
|
|
AB freight valve test rack
|
|
US3892431A
|
|
Air hose anti-disconnect
|
|
US3843185A
|
|
Power assembly removal tool
|
|
US3783798A
|
|
Railroad car for hauling flat stacks of material
|
|
US3715993A
|
|
Cable reel car
|
|
US3812325A
|
|
Means for reading and interpreting color-coded identification labels
|
|
US3651388A
|
|
Dynamic braking control system for plural traction motors
|
|
US3581071A
|
|
Train length measuring device
|
|
US3342141A
|
|
Convertible rail-highway vehicle truck
|
|
US3412829A
|
|
Retarders
|
|
US3286657A
|
|
Railway-highway vehicle truck
|
|
US3121594A
|
|
Brake cylinder valve mechanism
|
|
GB882252A
|
|
Improvements in vehicle couplings and road-rail vehicle undercarriages
|
|
US2969129A
|
|
Railway brake mechanism
|
|
US2965246A
|
|
Draft gear rigging
|
|
US2925791A
|
|
Road-rail vehicle coupling and transfer mechanism
|
|
US2993199A
|
|
Train inspection apparatus
|
|
GB814997A
|
|
Improvements in or relating to a road-rail vehicle
|
