U.S. federal trademark · Serial No. 72131365 · Reg. No. 0748088
EXERCISING DEVICE IN THE NATURE OF A UNIT HAVING TWO RELATIVELY ROTATABLE PARTS NORMALLY HELD IN SELECTED RELATION BY A SPRING, WITH EACH PART HAVING A HAND GRIP GRASPED BY A USER TO EFFECT RELATIVE ROTATION OF THE PARTS AGAINST THE ACTION OF THE SPRINGS
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