Games using tangible projectile – Golf – Practice swingable implement or indicator associated with...
Reexamination Certificate
2011-02-18
2011-11-22
Legesse, Nini (Department: 3711)
Games using tangible projectile
Golf
Practice swingable implement or indicator associated with...
C473S219000
Reexamination Certificate
active
08062145
ABSTRACT:
A club shaft that can be installed in a club head permanently or can be installed in clubs with interchangeable shaft features is disclosed herein. The invention is a measurement system that enables the capturing of the speed and motion of the golfer's swing. The invention uses magnetic material positioned on a face of a golf club head and an array of magnetic sensors.
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Callaway Golf Company
Catania Michael A.
Hanovice Rebecca
Lari Sonia
Legesse Nini
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