4. Chairs and seats
  5. Back movement resiliently opposed in operating position
  6. Adjustable resistance

Jack R. Nyenhuis

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Adjustable armrest

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

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Adjustable backrest

Chairs and seats – Movable back
Reexamination Certificate

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Chair

Chairs and seats – Movable back
Reexamination Certificate

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Chair

Chairs and seats – Back movement resiliently opposed in operating position – Adjustable resistance
Reexamination Certificate

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Chair

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2081498

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