Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wataru Ban0
Date of Patent
May 12, 2015
Patent Application Number
13828264
Date Filed
March 14, 2013
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
This invention provides a method of forming a fine groove with a width smaller than that of a scoreline in a golf club head. The method according to this invention includes a first step of forming a base groove in a face surface as a base of the fine groove, and a second step of forming a recess in at least one side wall of the base groove to reduce the angle between this side wall and the face surface.
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