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

Patent Owner(s)

Patent Owner	Address
WILSON WOLF MANUFACTURING CORPORATION	33 5TH AVENUE NW SUITE 700 NEW BRIGHTON MN 55112

International Classification(s)

• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
• C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Page, Douglas A	Eden Prairie, US	19	699
# of filed Patents : 19 Total Citations : 699
Robeck, Alison	Monticello, US	11	579
# of filed Patents : 11 Total Citations : 579
Welch, Dan	Zimmerman, US	7	483
# of filed Patents : 7 Total Citations : 483
Wilson, John R	New Brighton, US	170	9289
# of filed Patents : 170 Total Citations : 9289

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Patent Citation Ranking

• 47 Citation Count
• C12N Class

• 96.65 % this patent is cited more than
• 13 Age

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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
April 17, 2012	US,8158427,B2   US8158427B2	GRANTED PATENT AS SECOND PUBLICATION
November 24, 2011	US,20110287543,A1   US20110287543A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8158427

Cell culture methods and devices utilizing gas permeable materials

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