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

Patent Owner(s)

Patent Owner	Address
COVESTRO LLC	1 COVESTRO CIRCLE PITTSBURGH PA 15205

International Classification(s)

• E04B:GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTIT....
• E04C:STRUCTURAL ELEMENTS; BUILDING MATERIALS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dickson, Bruce	West Mifflin, US	11	298
Grisolia, Anthony	West Leechburg, US	15	175

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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	Oct 10, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 10, 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
April 10, 2018	US,9938711,B2   US9938711B2	GRANTED PATENT AS SECOND PUBLICATION
February 09, 2017	US,20170037615,A1   US20170037615A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9938711

Wall structure penetration attachment

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