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

Patent Owner(s)

Patent Owner	Address
3M INNOVATIVE PROPERTIES COMPANY	P O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hamrock, Steven J	Stillwater, MN	71	1238
Pierpont, Daniel M	North Saint Paul, MN	30	264
Rivard, Linda M	Stillwater, MN	9	267
Yandrasits, Michael A	Hastings, MN	53	698

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 23, 2007	US,7285349,B2   US7285349B2	GRANTED PATENT AS SECOND PUBLICATION
May 05, 2005	US,20050095487,A1   US20050095487A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7285349

Polymer electrolyte membrane and method of making

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