Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 21, 2010
Patent Application Number
11320899
Date Filed
December 30, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention provides a hollow golf club head in which the ratio of the average thickness of a sole portion to that of a crown portion is 1:0.3 to 0.8. At least two regions having thicknesses different from each other are formed on the crown portion, and the area of the thinnest region of the regions having thicknesses different from each other in the crown portion is larger than that of the thickest region.
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