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8,721,471 – Taylor Made Golf Company – Hollow golf club head having sole stress reducing feature
Patent No.: 8,721,471 (get PDF)
Title: Hollow golf club head having sole stress reducing feature
Assignee: Taylor Made Golf Company
Abstract: A hollow golf club head incorporating a stress reducing feature including a sole located stress reducing feature. The location and size of the sole stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in selectively influencing deflection of the face.