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

Patent Owner(s)

Patent Owner	Address
3M INNOVATIVE PROPERTIES COMPANY	MINN

International Classification(s)

• C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....
• C03B:MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR ....
• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Culler, Scott R	Burnsville, US	91	5808
Frey, Matthew H	Cottage Grove, US	127	2574
Kramlich, David C	Roseville, US	8	131
Schakel-Carlson, Kathleen M	Woodbury, US	3	12
Vandenberg, John L	Maplewood, US	10	105

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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	Feb 18, 2027

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 18, 2015	US,9108874,B2   US9108874B2	GRANTED PATENT AS SECOND PUBLICATION
July 31, 2014	US,20140212626,A1   US20140212626A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9108874

Method of making inorganic, metal oxide spheres using microstructured molds

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