Rotational educational entertainment and therapeutic device
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United States of America Patent
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Jan 28, 2014
Grant Date -
Apr 19, 2012
app pub date -
Apr 14, 2011
filing date -
Apr 14, 2010
priority date (Note) -
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Abstract
A cylindrical gear ring assembly is provided for use as a decorative wearable ornamental device useable as a ring or other piece of jewelry, a toy, and a therapy tool, and more specifically to a ring with a rotatable mechanism comprising movable cylinders which rotate against gear mechanisms and method of using the same.
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