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

Patent Owner(s)

Patent Owner	Address
NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA LLC	P O BOX 5800 MS-0161 ALBUQUERQUE NM 87185

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
Hecht, Andrew	Sandia Park, NM	5	33
Klitsner, Tom	Albuquerque, NM	2	32
Kravitz, Stanley H	Placitas, NM	19	607
Ryba, Gail N	Santa Fe, NM	2	32
Sylwester, Alan P	Albuquerque, NM	9	254
Zipperian, Thomas E	Edgewood, NM	15	629

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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
May 10, 2005	US,6890677,B2   US6890677B2	GRANTED PATENT AS SECOND PUBLICATION
May 01, 2003	US,20030082431,A1   US20030082431A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6890677

Fuel cell and membrane

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