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

Patent Owner(s)

• 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

• B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Follensbee, Robert A	Oakdale, MN	14	195
Paxton, Richard T	Ames, IA	3	33
Slama, David F	City of Grant, MN	50	949
Swanson, Mark A	Ames, IA	4	63

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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
June 29, 2004	US,6755878,B2   US6755878B2	GRANTED PATENT AS SECOND PUBLICATION
February 05, 2004	US,20040020133,A1   US20040020133A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6755878

Abrasive articles and methods of making and using the same

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