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US Patent 7220189 Iron golf club

Patent 7220189 was granted and assigned to Callaway Golf Company on May, 2007 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
Callaway Golf Company
Callaway Golf Company
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7220189
Date of Patent
May 22, 2007
Patent Application Number
10906468
Date Filed
February 22, 2005
Patent Citations Received
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US Patent 12121784 Golf club heads and methods to manufacture golf club heads
0
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US Patent 12005328 Golf club heads and methods to manufacture golf club heads
0
0
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US Patent 12109464 Golf club heads and methods to manufacture golf club heads
0
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US Patent 11707655 Golf club heads and methods to manufacture golf club heads
0
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US Patent 11745060 Golf club head with undercut and insert
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US Patent 11745067 Golf club heads and methods to manufacture golf club heads
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US Patent 11833398 Golf club heads and methods to manufacture golf club heads
0
...
Patent Primary Examiner
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Sebastiano Passaniti
Patent abstract

The iron golf club head (20) of the present invention is preferably composed of three main components: a periphery member 22, a central member 24 and a face plate 26. The periphery member (22) is preferably composed of a high density material such as a nickel-tungsten alloy. The central member (24) is preferably composed of a lightweight, non-metal material. The face plate (26) is preferably composed of a titanium alloy material. The iron golf club head (20) preferably has high moments of inertia Izz and Ixx.

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