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Method of adjusting coefficient of restitution of face of golf club head

  • US 20080064523A1
  • Filed: 10/03/2006
  • Published: 03/13/2008
  • Est. Priority Date: 09/08/2006
  • Status: Abandoned Application
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1. A method of adjusting a coefficient of restitution of the face of a golf club head comprising the step of fixing an assistant device, which is made of metal, on a back of the face to reduce the coefficient of restitution of the face.

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