Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas J. Kennedy0
Date of Patent
June 6, 2006
0Patent Application Number
107480520
Date Filed
December 30, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A golf club head is characterized by stepped grooves in the striking face thereof. The serrated grooves are defined by opposed side walls each having at least one step portion intermediate the length thereof. The stepped grooves impart more consistent spin to a golf ball when struck by the club head.
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