1989-02-24
1990-10-23
Crow, Stephen R.
Undertaking
272 67, 272117, A63B 500, A63B 2106
Patent
active
049646303
ABSTRACT:
An exercise device is provided in the form of two elongated, cylindrical-shaped members for the exercise of one's hands and the fingers and thumb. The two elongated members are held in the palm of one's hand and are caused to rotate one about the other by the manipulation of the fingers and thumb against the elongated members.
REFERENCES:
patent: 3369543 (1968-02-01), Ronco
patent: 3779548 (1973-12-01), Sato
patent: 4218057 (1980-08-01), Wilson
patent: 4369967 (1983-01-01), Kimura
patent: 4384714 (1983-05-01), Kimura
Crow Stephen R.
Gatewood Herbert L.
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