1985-09-30
1987-09-01
Apley, Richard J.
Undertaking
272135, 267152, A63B 2102
Patent
active
046904018
ABSTRACT:
A circular sporting article comprising a core material in a ring shape made of a long and narrow strip of spring steel and a flexible covering material to cover said circular core material and having an overall diameter approximately corresponding to the shoulder length of a user and a sectional diameter which can be easily grasped by a user, which can be used by adults or children for improving their arm or leg strength or grasping power.
REFERENCES:
patent: 3219342 (1965-11-01), Melchiona
patent: 3822870 (1974-07-01), Champleboux et al.
patent: 3958803 (1976-05-01), Geisselbrecht
patent: 4428577 (1984-01-01), Weingardt
Apley Richard J.
Bahr Robert W.
Life Environment Research Laboratories
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