Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaei Tsurumaki1
Masafumi Nishitani1
Date of Patent
July 21, 2009
1Patent Application Number
100002191
Date Filed
December 4, 2001
1Patent Citations Received
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3Patent Primary Examiner
Patent abstract
A golf club includes a shaft and a metal head attached to the shaft. The metal head includes a plurality of metal pieces fixed together by means of laser welding. For example, a face member of the head is manufactured by laser welding three metal pieces; i.e., a center metal piece, an intermediate metal piece, and an outer metal piece.
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