Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2006-03-28
2006-03-28
Vidovich, Gregory (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S342000
Reexamination Certificate
active
07018303
ABSTRACT:
A golf clubhead comprises a face portion having a back surface which is provided around a center region with at least two annular grooves so that the face portion is provided with at least two annular thin parts each being thinner than the center region and at least one rib part between the thin parts, whereby the rebound performance and durability of the face portion can be improved.
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Birch & Stewart Kolasch & Birch, LLP
Hunter, Jr. Alvin A.
SRI Sports Limited
Vidovich Gregory
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