4. Chairs and seats
  5. Movable bottom
  6. Bottom and back movable as a unit

Walter E. Schaffner

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Adjustable hinge and support structure

Chairs and seats – Movable back – Tiltable
Reexamination Certificate

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Anti-tip caster suspension for a wheelchair

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Curb-climbing power wheelchair

Motor vehicles – Power – Electric
Reexamination Certificate

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Curb-climbing power wheelchair

Motor vehicles – Power – Electric
Patent

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Foldable midwheel drive power chair

Motor vehicles – Power – Electric
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1050509

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