US Patent 7878922 Face structure for a golf club head
Patent 7878922 was granted and assigned to Callaway Golf Company on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A golf club head having a multiple material face is disclosed herein. The golf club head has a coefficient of restitution value greater than 0.83 and a characteristic time value of less than 257 milliseconds. The golf club head is preferably composed of a titanium alloy with a polymer layer disposed over a titanium alloy front wall. A preferred polymer is a polyurethane polymer.
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Patent Inventor Names
Anthony V. Nigro0
John B. Kosmatka0
Matthew J. Erickson0
Steven M. Ehlers0
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US Patent 07878922 Face structure for a golf club head US Patent 7878922 Face structure for a golf club head
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Patent Number
078789220
Patent Number
78789220
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078789220
Date of Patent
February 1, 2011
0Patent Application Number
126862080
Date Filed
January 12, 2010
0Official Website
Patent Primary Examiner
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US Patent 07878922 Face structure for a golf club head
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07878922
Date of patent
February 1, 2011
Patent application number
12686208
Date Filed
January 12, 2010
Patent primary examiner
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