229910052782 aluminium Inorganic materials 0.000 description 2.238000006011 modification reaction Methods 0.000 description 4.229910052751 metal Inorganic materials 0.000 description 4.125000003700 epoxy group Chemical group 0.000 description 4.229910000831 Steel Inorganic materials 0.000 description 8.Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US5680297P external-priority Application filed by Hamm Jack filed Critical Hamm Jack Priority to US09/136,124 priority Critical patent/US6039659A/en Application granted granted Critical Publication of US6039659A publication Critical patent/US6039659A/en Assigned to HAMM, JACK L. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09/136,124 Inventor Jack Hamm Original Assignee Hamm Jack Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents Interchangeable shaft golf clubĭownload PDF Info Publication number US6039659A US6039659A US09/136,124 US13612498A US6039659A US 6039659 A US6039659 A US 6039659A US 13612498 A US13612498 A US 13612498A US 6039659 A US6039659 A US 6039659A Authority US United States Prior art keywords shaft hosel golf club threaded club Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6039659A - Interchangeable shaft golf club US6039659A - Interchangeable shaft golf club

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