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All position tractor

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Cog wheel railway

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Conveyor having self-propelled carriers and track with pivotal r

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Conveyor having self-propelled carriers with a first motor for h

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Conveyor system with conveyor carriage running on rails

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Driving device for rail vehicles having friction and cog drives

Railway rolling stock – Locomotives – With rack rail engaging drive
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Electric motor driven traversing balancer hoist

Railway rolling stock – Locomotives – With rack rail engaging drive
Reexamination Certificate

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Electric overhead trolley conveyor

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Friction and rack and pinion locomotive

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Guidance system with a truck guided on a rail

Railway rolling stock – Locomotives – With rack rail engaging drive
Reexamination Certificate

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Monorail access system for making a boat handicapped accesible

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Motorized portable system and method for aiding persons in ascen

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Motorized portable system for aiding persons in ascending or des

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Motorized system and method for aiding physically-impaired perso

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Multi-position travelling carriage with flexible track

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Overhead rail conveyor system with improved traction having elas

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Pallet conveyor system

Railway rolling stock – Locomotives – With rack rail engaging drive
Reexamination Certificate

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Rack and pinion and adhesion drive locomotive

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Rack and pinion drive trolley with slip-ring drive wheel

Railway rolling stock – Locomotives – With rack rail engaging drive
Patent

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Rack-rail assembly for a mining machine

Railway rolling stock – Locomotives – With rack rail engaging drive
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