4. Conveyors: power-driven
  5. Conveyor or accessory therefor specialized to convey people
  6. By stairway having steps forming an endless member

John L. Kettle

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Interlaced conductor/back-iron secondary for induction motors

Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent

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Racetrack escalator

Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – By stairway having steps forming an endless member
Patent

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Spiral escalator

Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – By stairway having steps forming an endless member
Patent

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Variable area nozzle for gas turbine engines driven by shape...

Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate

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Variable area nozzle for gas turbine engines driven by shape...

Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate

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Profile ID: LFUS-PAI-P-926426

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