4. Chairs and seats
  5. Movable bottom
  6. Tiltable

Donald A. Wimmer

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Adjustable arm for a chair

Chairs and seats – Armrest – Adjustable to multiple use positions relative to bottom or back
Patent

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Chair seat tilt adjustment and locking mechanism

Chairs and seats – Movable bottom – Tiltable
Patent

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Chair seat tilt adjustment and locking mechanism

Chairs and seats – Back movement resiliently opposed in operating position – Back and bottom adjust in a fixed relationship
Patent

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Chair tilt and chair height control apparatus

Chairs and seats – Back movement resiliently opposed in operating position – Back adjusts independent of seat
Patent

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Profile ID: LFUS-PAI-P-358207

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