Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Darren Patrick Chermack0
Date of Patent
August 15, 2006
Patent Application Number
10655112
Date Filed
September 4, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
An adjustable dumbbell featuring a handle containing an internal selection mechanism within series of nested weight units. The selection device is operated by a single action, in this case by turning a knob, which extends or retracts bars contained in the handle to attach a desired number of weight units to the handle.
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