Golf club head

Games using tangible projectile – Golf – Club or club support

Reexamination Certificate

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Details

C473S345000

Reexamination Certificate

active

07059972

ABSTRACT:
Disclosed is a golf club head, in which a face surface is divided into upper and lower portions by a boundary line across a position of a sweet spot thereof, a roll radius of the upper portion is set at 305 mm or less, and a roll radius of the lower portion is set at 310 mm or more.

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