4. Chairs and seats
  5. Back movement resiliently opposed in operating position
  6. Back and seat adjust simultaneously

Joel Dral

Inventor

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Chairback with side torsional movement

Chairs and seats – Movable back
Patent

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Height adjustable chair arm

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

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Tilt control for chair

Chairs and seats – Movable bottom – Bottom and back movable as a unit
Reexamination Certificate

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Tilt control for chair

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

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Profile ID: LFUS-PAI-P-788548

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