Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 2, 2011
Patent Application Number
12479107
Date Filed
June 5, 2009
Patent Primary Examiner
Patent abstract
The observation apparatus provided with the observation wheel comprises a water tank housing fish and being arranged around the substantially lower half of a rotation locus of the observation wheel in which at least an inside face facing the observation wheel of the water tank is formed of a transparent material.
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