Games using tangible projectile – Golf – Club or club support
Patent
1997-01-21
1998-06-16
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
473331, A63B 5304
Patent
active
057660875
ABSTRACT:
A set of golf clubs including a number of golf clubs which are numbered serially and having progressively increasing loft angles from long irons to short irons. In a cross section of a number of face line grooves arranged on a striking face, the striking face and a groove slope face form a corner portion having a cross-sectional angle which decreases gradually from the long irons to the short irons.
REFERENCES:
patent: 4854581 (1989-08-01), Long
patent: 5591092 (1997-01-01), Gilbert
Blau Stephen L.
Passaniti Sebastiano
Sumitomo Rubber Industries Ltd.
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