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

Patent Owner(s)

Patent Owner	Address
GR SEATING LLC	1040 40TH STREET SE SUITE A GRAND RAPIDS MI 49508

International Classification(s)

• 0601:SEATS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Blomstrom, John K	St. Paul, US	52	1457
Fassett, Douglas L	Kentwood, US	16	149
Ippel, David J	Byron Center, US	5	28
Martus, Paul J	Grand Rapids, US	12	89
Weber, Jeffrey A	Golden Valley, US	47	1408
Wolf, David I	Cedar Springs, US	11	84

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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

Full Text

US Patent No: D683559

Chair shell

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