4. Chairs and seats
  5. Movable bottom
  6. Interconnected with back for relative concurrent movement

Eugene F. Rock

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Adjustable chair for aircraft and the like

Chairs and seats – Movable bottom – Interconnected with back for relative concurrent movement
Patent

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Adjustable chair having roller cam adjustment mechanism

Chairs and seats – Movable bottom – Interconnected with back for relative concurrent movement
Patent

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Coaxial helicopter

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate

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Ultralight coaxial rotor aircraft

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1661665

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