Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 10, 2015
Patent Application Number
13567439
Date Filed
August 6, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A wrist exercise device includes a housing having circular portions, a grip handle extending across an inner area of each circular portion of the housing, with both ends of each grip handle being rotatably engaged in a circular direction with the circular portion of the housing, and a spring positioned within each circular portion of the housing. The elastic force of the spring between the grip handle and the housing is increased when the grip handle rotates in any direction.
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