Undertaking
Patent
1989-04-04
1990-10-09
Apley, Richard J.
Undertaking
273 26R, A63B 2107
Patent
active
049615688
ABSTRACT:
An apparatus which permits the index and middle finger of the hand to be spread apart in a manner to stress the finger joints. The joint may then be exercised while in its stressed condition so that the joint is strengthened at the same time as it is made more flexible. The object of the invention is to improve the flexibility and stretch of the finger muscles of the index and middle finger of the hand so that a person utilizing the exerciser may practice the split finger baseball pitch.
REFERENCES:
patent: 623235 (1899-04-01), Crane
patent: 2271164 (1942-01-01), Sullivan
patent: 3189025 (1965-06-01), Yaklin
patent: 4730827 (1988-03-01), Williams
Clark Douglas W.
Zabel Steven
Apley Richard J.
Clark Douglas W.
Duffy James F.
Flaxman H. N.
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