Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
J. Andrew Galloway0
Date of Patent
October 25, 2011
Patent Application Number
12616503
Date Filed
November 11, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention discloses an iron-type golf club head in which the sole portion has a main surface and a stepped surface. Further, the sole portion comprises a chromium coating. The invention creates a unique combination of head shape and surface friction coefficients that minimize the bad effects of turf impact.
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