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Latch mechanism for a railboard track switch cover

Railway switches and signals – Switches – Snow protected
Patent

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Laterally adjustable adapter bracket for a grade crossing gate a

Railway switches and signals – Electric automatic highway signals – mine doors – and gates – Normally closed track circuit
Patent

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LED wayside signal for a railway

Railway switches and signals – Signals – Light beam projecting
Reexamination Certificate

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Light assembly and flasher circuit

Railway switches and signals – Electric automatic highway signals – mine doors – and gates
Patent

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Lightweight and ultra-lightweight portable derails

Railway switches and signals – Interlocking – Derails
Patent

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Lock extension for train derail

Railway switches and signals – Interlocking – Derails
Reexamination Certificate

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Locking apparatus for locking a point of a rail switch, apparatu

Railway switches and signals – Switches – Lock
Patent

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Locking device for switch blades with adaptable profiles

Railway switches and signals – Switches
Reexamination Certificate

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Locomotive axle mounted cab signaling sensor

Railway switches and signals – Cab signal or train control – Train mechanism
Patent

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Locomotive control system and method

Railway switches and signals – Cab signal or train control – Magnetic rail
Reexamination Certificate

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Locomotive curve tracking system

Railway switches and signals – Block-signal systems – Recorders
Patent

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Locomotive curve tracking system

Railway switches and signals – Block-signal systems – Recorders
Patent

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Locomotive M. U. trainline/jumper for EP brake application

Railway switches and signals – Cab signal or train control – Speed-control systems
Patent

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Locomotive whistle controlled railroad grade crossing...

Railway switches and signals – Vehicle-energy actuation – Signals and gates – automatic
Reexamination Certificate

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Logic passing device for automatic railway piloting

Railway switches and signals – Cab signal or train control – Motive-power control
Patent

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Low profile derail

Railway switches and signals – Interlocking – Derails
Reexamination Certificate

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Low profile switch machine gear box

Railway switches and signals – Switch stands – Gear actuated
Patent

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Low profile switch machine with hand throw or motor throw select

Railway switches and signals – Switch stands
Patent

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Low speed wheel presence transducer for railroads with self cali

Railway switches and signals – Electric actuation – Car-actuated circuit controllers
Patent

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