Exercise devices – Hand – wrist – or finger
Patent
1997-04-28
2000-07-11
Donnelly, Jerome
Exercise devices
Hand, wrist, or finger
482 44, 482 49, G01L 502
Patent
active
060865180
ABSTRACT:
A squeezable exerciser comprising in combination body structure having surfaces to be squeezed relatively toward one another by application of force exerted by a user, and means associated with the body structure to produce a reference signal or signals as the level of force application reaches a preset limit or limits.
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Aerovironment Inc.
Donnelly Jerome
Haefliger William W.
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