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

Patent Owner(s)

Patent Owner	Address
CLARKWESTERN DIETRICH BUILDING SYSTEMS LLC	9050 CENTRE POINTE DRIVE SUITE 400 WEST CHESTER OH 45069

International Classification(s)

• E04C:STRUCTURAL ELEMENTS; BUILDING MATERIALS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Daudet, Larry R	Porter, IN	9	384

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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
February 17, 2004	US,6691487,B2   US6691487B2	GRANTED PATENT AS SECOND PUBLICATION
May 08, 2003	US,20030084637,A1   US20030084637A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6691487

Apparatus for reinforcing a portion of a metal joist adjacent an opening therethrough and methods for forming reinforced openings in metal support members

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