Posture stool

Details Posture stool Posture stool

1990-05-11

1995-05-16

Chen, Jose V.

Chairs and seats

Rest for knee, leg, or foot

Portable

A47C 1600

Patent

active

054154600

ABSTRACT:
A posture stool for the relief of transitory or chronic lower back pain, comprising a rectilinear base supporting a center step inclined at an angle to the horizontal, with a lower step on each side of the center step, the lower steps being of the same size as the center step and parallel with and equidistant from the center step and inclined at a lesser angle to the horizontal than the center step.

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patent: 4910818 (1990-03-01), Grabill et al.
patent: 4991908 (1991-02-01), Krechel

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