Undertaking
Patent
1985-03-25
1986-05-27
Apley, Richard J.
Undertaking
272 67, 272 68, 272DIG4, A63B 2102
Patent
active
045911517
ABSTRACT:
An improved torsional exercise device which allows for a graduated exercise program to build and increase the muscles of the hands, wrists, and forearms through relative rotation of handle grips against a torsion spring of varying tension and which is portable, simple in design, and inexpensive to construct.
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Apley Richard J.
Weber Edward R.
Welsh J. L.
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