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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	33 5TH AVENUE NORTHWEST SUITE 700 NEW BRIGHTON MN 55112

International Classification(s)

• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Welch, Daniel P	Zimmerman, US	22	827
Wilson, John R	New Brighton, US	170	9289

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jun 12, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 12, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
December 12, 2017	US,9840692,B2   US9840692B2	GRANTED PATENT AS SECOND PUBLICATION
December 25, 2014	US,20140377739,A1   US20140377739A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9840692

Closed system device and methods for gas permeable cell culture process

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