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Graham Rennie, William J Sobkow: Golf shaft vibration damper. Young & Basile P C, May 15, 2001: US06231456 (25 worldwide citation)

A vibration damping insert adapted to be positioned within the hollow tubular shaft of a golf club. The insert includes a central rod member sized to fit within the hollow shaft of the club and a plurality of circumferentially spaced fins extending radially outwardly from and substantially coextensi ...


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