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

Patent Owner(s)

Patent Owner	Address
UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1ST FLOOR GARDNER STEEL CONFERENCE CENTER 130 THACKERAY AVENUE PITTSBURGH PA 15260

International Classification(s)

• A61B:DIAGNOSIS; SURGERY; IDENTIFICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ottoboni, Thomas B	Belmont, CA	81	1123
Short, Robert E	Los Gatos, CA	27	589
Tickner, E Glenn	Watsonville, CA	10	256
Yamamoto, Ronald K	San Francisco, CA	49	4376

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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
August 17, 2004	US,6776761,B2   US6776761B2	GRANTED PATENT AS SECOND PUBLICATION
February 20, 2003	US,20030036697,A1   US20030036697A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6776761

Hollow microspheres with controlled fragility for medical use

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