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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
O-TA PRECISION INDUSTRY CO LTD	NO 8 CHIEN-FU RD FENG-TIEN TSUN NEI-PU HSIANG PING-TUNG HSIEN

International Classification(s)

• 2102:GYMNASTICS AND SPORTS APPARATUS AND EQUIPMENT

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chao, Hsiao-Wen	Ping-Tung Hsien, TW	6	25
Lin, Chon-Chen	Ping-Tung Hsien, TW	26	692
Liu, Chin-Lung	Ping-Tung Hsien, TW	13	59
Pan, Ming-Yung	Ping-Tung Hsien, TW	3	11
Yang, Ting-Ta	Ping-Tung Hsien, TW	2	8

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: D573211

Golf club head

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