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

Patent Owner(s)

Patent Owner	Address
JOHNS MANVILLE	717 SEVENTEENTH STREET DENVER CO 80202

International Classification(s)

• D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Christensen, Bernd	Englewood, US	12	120
Gleich, Klaus Friedrich	Highlands Ranch, US	85	473
Ketzer, Michael	Collenberg, DE	20	100
Krallmann, Volker	Werbach, DE	1	1

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 3, 2025

Fee	Large entity fee	small entity fee	micro entity fee
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

Full Text

US Patent Application No: 2013/0260,627

Method for producing wet-laid non-woven fabrics, in particular non-woven glass fiber fabrics

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