Exercise ball device

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance

Reexamination Certificate

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Details

C482S122000, C482S139000

Reexamination Certificate

active

06837836

ABSTRACT:
An exercise ball device has a big ball having a hole, an elastic cable penetrating a hole of a big ball, two end hooks disposed on two ends of the elastic cable, and two small ball having retainer rings to receive one of the end hooks.

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